![]() We hope that the MATLAB indexing variants illustrated in this article give you a feel for ways you can express algorithms compactly and efficiently. You do it like this: nan_locations = find(isnan(A)) In this example, the computation is two-dimensional filtering using filter2. For example, suppose you want to temporarily replace NaN values with zeros, perform some computation, and then put the NaN values back in their original locations. Which form you use is mostly a matter of style and your sense of the readability of your code, but it also depends on whether or not you need the actual index values for something else in the computation. The expression A(A > 5) is equivalent to A(find(A > 5)). Logical indexing is closely related to the find function. Or you could replace all the spaces in a string matrix str with underscores. To replace all NaN elements of the matrix B with zero, use B(isnan(B)) = 0 For example, you could replace all the NaN elements in an array with another value by using a combination of isnan, logical indexing, and scalar expansion. Many MATLAB functions that start with is return logical arrays and are very useful for logical indexing. For example, A(A > 12) extracts all the elements of A that are greater than 12. ![]() The output is always in the form of a column vector. MATLAB extracts the matrix elements corresponding to the nonzero values of the logical array. In logical indexing, you use a single, logical array for the matrix subscript. This form of indexed assignment is called scalar expansion.Īnother indexing variation, logical indexing, has proven to be both useful and expressive. You can always, however, use a scalar on the right side: v() = 30 % Replace second and third elements by 30 Usually the number of elements on the right must be the same as the number of elements referred to by the indexing expression on the left. V(end:-1:1) % Reverse the order of elementsīy using an indexing expression on the left side of the equal sign, you can replace certain elements of the vector: v() = % Replace some elements of v You can even do arithmetic using end: v(2:end-1) % Extract the second through the next-to-last elementsĬombine the colon operator and end to achieve a variety of effects, such as extracting every k-th element or flipping the entire vector: v(1:2:end) % Extract all the odd elements The end operator can be used in a range: v(5:end) % Extract the fifth through the last elements ![]() The special end operator is an easy shorthand way to refer to the last element of v: v(end) % Extract the last element Swap the two halves of v to make a new vector: v2 = v() % Extract and swap the halves of v The colon notation in MATLAB provides an easy way to extract a range of elements from v: v(3:7) % Extract the third through the seventh elements Or the subscript can itself be another vector: v() % Extract the first, fifth, and sixth elements The subscript can be a single value: v(3) % Extract the third element A standard result for a positive semidefinite matrix such as X T X is that the quotient's maximum possible value is the largest eigenvalue of the matrix, which occurs when w is the corresponding eigenvector.Let's start with the simple case of a vector and a single subscript. The quantity to be maximised can be recognised as a Rayleigh quotient. The principal components of a collection of points in a real coordinate space are a sequence of p The vectors shown are the eigenvectors of the covariance matrix scaled by the square root of the corresponding eigenvalue, and shifted so their tails are at the mean. PCA of a multivariate Gaussian distribution centered at (1,3) with a standard deviation of 3 in roughly the (0.866, 0.5) direction and of 1 in the orthogonal direction. Principal component analysis has applications in many fields such as population genetics, microbiome studies, and atmospheric science. Many studies use the first two principal components in order to plot the data in two dimensions and to visually identify clusters of closely related data points. This is accomplished by linearly transforming the data into a new coordinate system where (most of) the variation in the data can be described with fewer dimensions than the initial data. ![]() Formally, PCA is a statistical technique for reducing the dimensionality of a dataset. Principal component analysis ( PCA) is a popular technique for analyzing large datasets containing a high number of dimensions/features per observation, increasing the interpretability of data while preserving the maximum amount of information, and enabling the visualization of multidimensional data.
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![]() Standard all-wheel drive helps the Ascent feel more planted and adds another layer of security. The Subaru's ride quality is comfortable, and the brakes bring the SUV to a halt confidently. It has a tight turning radius, which is especially helpful when traversing small urban and suburban spaces. The Ascent has light and accurate steering, but turn-in doesn't feel as direct as what many rivals offer. All other trims see a decline of 1 mpg in both city and highway driving. Base and Premium models get an EPA-estimated 20 mpg in the city and 26 mpg on the highway. The 2023 Ascent offers typical fuel economy for the midsize SUV class. "The engine can feel a bit “jumpy” off the line, and while it’s powerful enough when the vehicle isn’t heavily loaded, it can feel like it’s laboring when it is." - Forbes."The continuously variable transmission plays an unobtrusive supportive role, and there's always enough reserve power under foot for passing." - Consumer Reports."Its 260-horsepower turbocharged 2.4-liter four-cylinder powertrain delivers middling acceleration-a 6.7-second 60-mph time-and can be noisy under duress, but it'll pull a camper trailer or speedboat." - Car and Driver.The CVT is designed to mimic traditional shifting and works well. It provides prompt acceleration and continues to deliver sufficient power as you gain speed, but it can feel weak on the highway when toting a full load of passengers and cargo. Transmission: continuously variable automatic (CVT).Engine: turbocharged 2.4-liter four-cylinder with 260 horsepower and 277 pound-feet of torque.The standard all-wheel drive, generous ground clearance, and X-Mode with hill-descent control make it great in the snow and mild off-roading." - Kelley Blue BookĮngine Options, Horsepower and Acceleration "The Ascent doesn’t skip a beat if the roads get ugly. ![]() Plus, its 22 mpg overall is comparable to its rivals." - Consumer Reports But in real-world driving, the SUV feels zippier and more satisfying than its numbers suggest it should be.
![]() Want more info on number registration? Check out our blog, Reasons your Business Should Register Its Phone Number.įor an even more personalized call experience, check out our Branded Communication solutions – INFORM and ENGAGE.ĭisplay your business’s phone number, name, and the reason you’re calling, delivering a better customer experience (and stopping scammers in their tracks). After you register, other types of organizations may still call you, such as charities, political groups, debt collectors and surveys. You can register your home or mobile phone for free. You can ensure that your business is legitimized, verifying your outbound calls for consumers. gives you a choice about whether to receive telemarketing calls. Our experienced team can walk you through every step of the process in our portal, which is free to access. First Orion’s Customer Portal requires minimal effort and can be completed within just a few minutes. Registering your number is the first step in improving your brand reputation. You also risk being mistaken for a spam call or another business, which means lower answer rates and fewer resolutions. When your legitimate business numbers are flagged as “Scam Likely,” it can damage your brand reputation and frustrate customers. Under Idaho law, it is unlawful for telephone solicitors to call Idaho phone numbers registered on the Federal Trade Commissions National Do Not Call. You can register your phone number on the national Do Not Call Registry operated by. It’s free to register your home or mobile phone number. Business Number Registration The First Step to Improving Your Brand Reputation Illegal robocalls and unwanted telemarketing calls can be annoying. The National Do Not Call Registry was created to stop sales calls from real companies. ![]() Making sure you’re wearing stable shoes that have traction and comfort will save you from slip-ups that can lead you to falling and getting trampled. Oftentimes items such as shattered beer bottles, spilled drinks, and hazardous miscellaneous junk (a moment of silence for all of the jewelry that’s ever been lost in the pit) scatter the floor and become obstacles to avoid. Wardrobe can definitely affect your comfort levels and performance in the pit. always a good idea to keep your feet shoulder length apart)to keep you from getting completely jolted by a belligerent dude in a band tee, you’re good as gold. As long as you move your way through the pit with a comfortable stance (i.e. ![]() Getting knocked over in the pit can be seriously dangerous because there is no guarantee that any of your fellow pit people will help you up, especially within a large crowd. The more intense the pit, the more pushing, shoving, crowdkilling, and crowd surfing there will be, and the easier it can be to get knocked over. #1: Hold Your Own When Things Gets Shaky, Balance is Everything Though mosh pits are known as “rule-free” zones, this guide serves as a source to provide tips and general patterns of etiquette from observations, concert experience, and lessons learned in the pit. As we make a leap back into concerts and festivals, and due to recent safety incidents like those at Astroworld last year, conversations surrounding mosh pit and concert etiquette are emerging now more than ever as a means of maximizing fun, but more importantly, prioritizing safety. It is a phenomenon that will always be around as long as there is Heavy Music around.With the reopening of music venues, rescheduling of tours, and the return of live music as we depart from the peak of the pandemic, concert-goers and moshers alike are making their return to the pit. Now the new generation of fans are getting into Mosh Pits and it is growing in popularity. ![]() In Mosh Pits, energy is given out by the bands that is felt and built up by the fans and that produces a Mosh Pit. ![]() Mosh Pits could be classified as a strange ritual, a tribal expression or a way of how people react to the music. Certain types of people think it is all about getting your stress, frustration and aggression out, but the real reason is just a way for fans to celebrate the music by dancing in an intense way. Some people may consider this type of phenomena as an Extreme Full Contact Sport, other people see it as a fun thing to do at concerts. Fear the band also made a TV debut the same year on Saturday Night Live.The Skull Man has been rocking in Mosh Pits ever since he was a little Skull Man. Slam dancing was spotted In New York City when Black Flag played. It has progressed from fans pogoing around in a group of people to slam dancing, circle pits, hardcore pits and so on. Hardcore Slam dancing then evolved as a more intense form and then evolved again into various types and styles of mosh pits. It started with the Punk Pogo where Punks would dance and bounce up and down at concerts. Mosh Pits started roughly around 1975 - 1980 In Los Angeles from the Punk Sub Culture. Using this easy method you can add a circle to each slide and time it to load with the Wheel effect accordingly to the amount of time you are willing to spend on the slide. So, if you want to spend 1 minute per slide, you can animate the circle animation to complete in 1 minute. From here, you can time the animation to play out according to a set time frame. Now, select your added shape and go to Animations -> Timing -> Duration and select a time for the animation. Since, the animation will alert you about the remaining time, as the circle is completed. ![]() This is perhaps the best animation for a circular timer. You can pick various colors for your shape, as well as turn it into a 3D shape. Once done, select the shape and use formatting options to stylize it. Place the shape at a convenient location on the slide. To demonstrate this process we will use the Oval shape in PowerPoint. You can pick shapes by going to Insert -> Shapes. In the first step, select a shape to create your timer. Therefore, setting a timer to alert yourself might be a better idea. In such a case if your slide randomly changes, it can be quite embarrassing for you. While you can always switch a slide automatically in PowerPoint and also use add-ins like PowerPoint Timeline Control to time slides sometimes you might need to spend more time on a slide than you might have planned. ![]() To ensure that you can keep an eye on the time without looking at your watch every now and then and to perfectly time slides, you can create a countdown timer for each slide. Create a Timer for Each Slide in PowerPoint Once done, click Add New and select TM Timer PPAM. By default you can find the PPAM file via: C:\Users\Username\AppData\Roaming\Microsoft\AddIns.ģ. ![]() now, select PowerPoint Add-Ins from the Manage drop down menu and click Go. To reveal the tab go to File -> Options -> Add-Ins. Note: If you are using PowerPoint 2013, TM Timer tab might not show up by default. Whether you need to set timer for 15 minutes or want to display the current date & time on your slides, TM Timer can be a handy add-in to present your slides like a pro. You will be asked to select the timer formatting, which can be done using PowerPoint Drawing Tools. You can select the type of timer you intend to add via the TM tab once the add-in is installed. This add-in is quite easy to use and is more than just a countdown timer. Using TM Timer you can add a countdown to the slideshow. We have already reviewed one of them in the past, the TM Timer. ![]() There are a couple of add-ins available for Microsoft PowerPoint that can embed a timer on the screen during the presentation slideshow. It is also useful for presenters requiring to make activities during a presentation and configure a timer bomb in your PowerPoint slides. The Google Timer widget offers a very easy way to set a timer online to any specific time from now. If you don’t want your audience to know you are using a timer, don’t forget to turn off the speaker. Once the timer ends, it will beep on the speaker, like a real timer.
![]() In order to play the Counter Strike 2 limited test, you don't have to actively do anything. Counter Strike 2 limited test: how to gain access and download Here's everything you need to know about the Counter Strike 2 limited test. You can, however, steam and make videos of your gameplay so feel free to toss those of us who didn't get in a few crumbs so we can live vicariously through you. The Counter Strike 2 limited test is only available on Windows so Linux or macOS users are out of luck. Or Valve may drop an open beta ahead of launch. On the plus side, the FAQ suggests there'll be a number of limited tests between now and the Counter Strike 2 release, so if you don't get in this time, you may have more luck in the next run. So it's not a free-for-all, unfortunately. Players can hop into it now, although there are a few caveats, which we'll get into below. Along with videos detailing all of the changes and improvements coming to the game – which will replace CSGO when it releases this summer – was the news of a Counter Strike 2 limited test which is live now. ![]() The CSGO sequel is officially launching in just a few months but you can get in on the action early with the Counter Strike 2 limited test, which is available to play right now.Īfter Valve dropped a not-so-subtle Counter Strike 2 tease earlier this week, whipping the community up into a frenzy, it finally went ahead and dropped the Counter Strike 2 release date and gameplay reveal yesterday. ![]() It doesn't make sense to design two Web pages as if someone would be viewing them at the same time. It displays either Print Publication or Web Publication, depending on the type of publication that you have open. Note: To find out if you are in a Web publication, look at the title bar. Web publications consist of a series of individual pages that cannot be viewed as two-page spreads. Even if you set a postcard publication for two-page spreads, you won't be able to see both sides of the postcard at the same time. The front and back sides of the card are each represented by a page icon. The page sorter for a postcard looks like the following. You can view either the front or back side of this postcard. ![]() Each side has content on it, but the sides are not meant to be viewed at the same time. In publications such as postcards and brochures that have a front and back side, the two sides are not a two-page spread. What a two-page spread is notĪ two-page spread is not just any two pages in a publication. Notice how the icon for pages 2 and 3 looks like facing pages. ![]() In the greeting card, each surface that contains unique content is considered to be a page. In the newsletter, each page is represented by one page icon in the page sorter. The page sorter (the control at the bottom right of the publication window that consists of page-shaped icons) looks like this for both the four-page newsletter and the greeting card. In this greeting card that opens from bottom to top, the inside of the card is a two-page spread. Not all two-page spreads have a mirrored-page layout, however. If you compare the locations of page numbers, running titles, and margins on pages 2 and 3, you can see that page 3 is a mirror image of page 2. Often, the pages in a two-page spread mirror one another.įor example, pages 2 and 3 of this four-page newsletter make up a two-page spread. The "two-page spread" concept can be a little confusing, so before you jump to the last section about how to view two-page spreads, you might want to take a look at the first two sections, which define the concept.Ī two-page spread is a printing convention that represents leading and trailing pages in a bound or folded project such as a book, booklet, newsletter, or greeting card. ![]() Unsigned crc16dnp_byte(unsigned crc, void const *mem, size_t len) Unsigned crc16dnp_rem(unsigned crc, unsigned val, unsigned bits) Compute the CRC of the low bits bits in val. Unsigned crc16dnp_bit(unsigned crc, void const *mem, size_t len) The low bits bits of the low byte of val are applied to bits in the last byte, for when the number of bits in the message is not a The _rem routine returns the CRC of the remaining Those routines will all return the same result, differing only in arguments are ignored, and the initial CRC, i.e. applied to the previous CRC value, crc. crcany can be used to generate alternative code for big-endian and other word sizes.Ĭrc16dnp.h: // The _bit, _byte, and _word routines return the CRC of the len bytes at mem, Intel x86 and x86-64, and it assumes that uintmax_t is 64 bits. This code assumes a little-endian architecture for the word-wise calculation, e.g. Following is the code generated by crcany for that CRC definition. It has very good performance detecting up to 6-bit errors in a packet. One of the good 16-bit performers in Koopman's tables that is also in the catalog of CRCs used in practice is CRC-16/DNP. The classic CRCs, such as the CCITT/Kermit 16-bit CRC or the X.25 16-bit CRC are not the best performers. single digit number of errors per packet, and you want to maximize your error detection performance, you would need to look at the packet size you are applying the CRC to, assuming that that is constant or bounded, and look at the performance of the best polynomials in Philip Koopman's extensive research. If you have a relatively low bit error rate, e.g. In this case, you can pick any 16-bit CRC in the catalog, and you will get good performance. You do not seem to have a protocol definition with a specific CRC definition that you need to match. Byte-wise is still much faster than bit-wise, but the implementation is more easily portable over architectures. crcany generates both byte-wise routines and word-wise routines, the latter tuned to the architecture they are generated on. That function returns 0xbb3d for me when I pass in "123456789".Ĭrcany will generate efficient C code for any CRC, and includes a library of over one hundred known CRC definitions.Įfficient CRC code uses tables instead of bit-wise calculations. Out > bits_read) & 1 // item a) work from the least significant bits So, your function might look like: #define CRC16 0x8005 c) reverse the CRC bits (I'm guessing this bit is a carry over from hardware implementations).b) push the last 16 bits of the CRC out of the CRC register after you've finished with the input data.a) run the data bits through the CRC loop starting from the least significant bit instead of from the most significant bit.If you want to match the CRC16 with polynomial 0x8005 as shown on the CRC calculator page, you need to make the following changes to your CRC function: Keep in mind that CRC algorithms were designed to be implemented in hardware, so some of how bit ordering is handled may not make so much sense from a software point of view. For example, sometimes one implementation will work from the low order bits of the data bytes up, while sometimes they'll work from the high order bits down (as yours currently does).Īlso, you need to 'push out' the last bits of the CRC after you've run all the data bits through. There are several details you need to 'match up' with for a particular CRC implementation - even using the same polynomial there can be different results because of minor differences in how data bits are handled, using a particular initial value for the CRC (sometimes it's zero, sometimes 0xffff), and/or inverting the bits of the CRC. Can someone tell me where I might be going wrong? I've come to the conclusion that either my understanding of how to calculate a CRC16 is wrong, or the online calculator is wrong (the former seems more likely). I'm checking my output against this online CRC calculator. Uint16_t gen_crc16(const uint8_t *data, uint16_t size) The relevant code I've written is below (it can also be found here). I've created a function to calculate a CRC16 checksum, but it doesn't seem to be outputting correct values. Part of this code involves using a CRC16 checksum on the data to detect corruption from line noise. I'm working on a library to provide simple reliable communication over an RS232 or RS485 connection. Please note: if unsure which kit you require please call or email us. The bars are made from the same steel that has made the Gorilla Grow Tent brand famous and features custom-molded, high-density plastic clips that lock into place to ensure strength. They are super user-friendly and install in minutes. Instructions for installing your Gorilla Grow Tent High CFM Kit.Gorilla Grow Tents are the Tallest, Thickest, and Strongest grow tents ever created. Designed to counteract the negative effects of high exhaust systems. These awesome kits are made with Gorilla's high standards and easily snap into place horizontally on the frame of your Gorilla Grow Tent. Improve the performance of your indoor garden with the Gorilla Grow Tent High CFM Kit. Gorilla Grow Tent Indoor Grow Room High CFM Kit For use on all GGT LITE LINE Tents (excludes Original Gorilla Grow Tents and Gorilla SHORTY Tents)Going. Gorilla Grow Tent has come up with the perfect solution: the Gorilla Grow Tent High-CFM Kits. Exhaust fans with high CFM ratings can create too much negative air pressure that the canvas walls flex inward, encroaching on your precious grow space. Proper heat and stagnant air exhausting is important to your indoors gardens success, but it can take a serious toll on your grow tent. These Gorilla strong poles will get you back to growing in no time. Going bananas with your tent walls sucking in? The high CFM (Cubic Feet Per Minute) kit is to help prevent your indoor grow tent walls from sucking in due to high amounts of negative pressure from exhaust systems. Let Gorilla Grow Tent maximize your indoor garden's potential with their Grow Strong Accessory Line. Every plant needs a little help to Grow Strong. Shop for Gorilla Grow Tent Indoor Grow Room High CFM Kits to prevent tent walls from flexing at. ![]() So far, I have tried plain, matcha, matcha with black sesame filling and black sesame and they all taste great, creamy and slightly sweet and not overly sour. Here’s the failures: due to a combination of wrong proportions and sub-optimal baking times & temperatures…the filling wasn’t as creamy and smooth as I wanted it to be.ĭon’t look too closely…they may hurt your eyesīut finally… after more than 20 tarts… I’m happy to present this formula which I think is just right and is very flexible to customise to create different flavours. While I’m not opposed to both… my waistline was □And so the pursuit of a healthier one began. I had lots of fun trying to recreate the recipe, but a lot of the ones online used heavy cream and eggs. Bake is a Japanese bakery born from Hokkaido and they became famous for their cheese tarts which have a crunchy, crumbly, melt in your mouth buttery crust that’s contrasted with the smooth, warm, creamy lava filling □ When I eat food, the mouthfeel is very important for me… food’s textures are equally important as the flavour and that’s why I became obsessed with Bake’s lava cheese tarts when I first tried them. Transfer the tart to a serving plate and serve warm or cold, dusted with sifted icing sugar.These are refined sugar free, no heavy cream and optional egg free version included ☺️ The easiest way to do this is to place the base of the tin on an upturned can or jam jar and let the outer ring fall to the work surface. Leave to cool slightly then, when the pastry seems firm enough, remove the tart from the tin. To prevent it spilling as it goes in the oven, pour in most of the filling so it almost fills the tart, carefully sit the baking sheet and tart on the oven shelf, then top up with the rest of the filling to completely fill it.īake for about 30-35 minutes or until just set but with a slight wobble in the centre. Pour the filling mixture into the cooled baked pastry case. Add the rest of the filling ingredients and whisk again until they are all well combined. Reduce the oven temperature to 170C/150C Fan/Gas 3.įor the filling, break the eggs into a large bowl and whisk together with a wire whisk. Set aside to cool while you make the filling. Return the empty pastry case to the oven for another 10-12 minutes or until it is pale golden and completely dry. Bake blind for 12-15 minutes, until the pastry is set, then lift out the foil and beans.Ĭarefully trim the excess pastry from the sides using a sharp knife, holding the knife at a sharp angle and slicing away from you. ![]() Remove the cling film from the pastry case and line with foil so it supports the sides, then fill with baking beans. Place the pastry-lined tin on a baking tray, cover loosely with cling film and chill in the fridge for 30 minutes. Press the pastry into the flutes of the tin then lightly prick the base with a fork, but not quite all the way through. If the pastry has cracked at all, simply press it together to seal. Carefully lift the tin base off the work surface, drop it into the tin.Įase the pastry into the corners and up the sides of the tin, pressing the overhang lightly over the rim. Gently fold the pastry surrounding the tin base in towards the centre. Roll out the pastry, still on the base, until it is 4in/10cm larger than the tin, turning a quarter-turn ever couple of rolls. Place the pastry ball in the centre of the tin base and flatten it out slightly. ![]() Grease a 23cm/9in loose-bottomed, fluted tart tin and dust the base of the tin with flour. If so, wrap it in parchment paper and chill for 15 minutes. If your butter was a bit too soft, the pastry might be too. Knead the pastry just two or three times to make it smooth. Pulse again until the mixture sticks together in clumps then tip onto a work surface and gather it into a ball with your hands. Pulse briefly until the mixture resembles breadcrumbs, then add the egg yolk and water. To make the pastry, place the flour, butter and icing sugar into a food processor. |
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