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does matlab version 2021a have forecast command !!!!
See the links at the right side of this page, for example https://www.mathworks.com/help/econ/msvar.forecast.html?s_tid=answers...

más de 2 años hace | 1

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plot a square which has circles inside it
One way is to just have a matrix of (x,y) location of the centers that got placed. Then have a loop of, say, a million iteratio...

más de 2 años hace | 0

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printing nxnxn matrix into a file
You can't. The .mat file is a proprietary format, and I think it's binary. So the numbers are just in there and it doesn't mak...

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how to take random words from a sting matrix
"id also like to do something similar where i take a random number from a 1x20 array and asign it to a variable" Try this: you...

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import file to standalone application
How were they loaded? Did you just find all files in the current folder and load them? Did you list them all in a listbox and ...

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How to focus my image segmentation algorithm
There is a lot of variation in your image capture setup. You can make vast improvements in it, including Lay the panels on bla...

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How to focus my image segmentation algorithm
I'm not sure what part of the mask you want to be extracted by cropping, but you can use imcrop or indexing croppedImage = orig...

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How do I get the outer contour from a line in an image?
I don't know what "the contour function of the line" is. I'd use the Color Thresholder app on the apps tab of the tool ribbon t...

más de 2 años hace | 0

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Making y-axis positive in both directions
Well I think that would be confusing and deceptive to the reader. But anyway, do you want just the exponent to be positive? Yo...

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Determine the coordinates of the nodes forming the outermost circle
Can you get the coordinates as a list of (x,y) locations? If so, get the convex hull with convexHull or convhull

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How much Mac memory can Matlab utilize?
Try this: >> memory in the command window.

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the size of picture show three data?
The two others said why the size is 3 times the size of the lateral dimensions (because you have 3 color channels/planes). Don'...

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An error that repeats in my Matlab code-image classification
What tf are you using? When I look in the help it lookos like there are lots of tf functions. It looks like you're trying to c...

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Ho to find the area of some patterns in an image
Make it easy for us to help you : attach your image or screenshot as a standard PNG format image so that we can see it right her...

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Size of an image as a single value
"I actually meant the physical size when displyed though." That depends on the figure size. You can resize the figure to any si...

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How CT projection image and intensity plot are related?
@Anand Ra in t = -1*(1/µ)*log(I./Io) note that I is a 2-D array, so the log is also a 2-D array, and thus t is also a 2-D ar...

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How do I calculate PNSR of an Image
There is a psnr function in the Image Processing Toolbox. help psnr

más de 2 años hace | 0

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Where can I find video files with the avi extension ?
To find all files under a top level folder, you can do it like this: % Specify the top level folder where the *.avi files are r...

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Best way to calculate color difference score
That's basically correct. What could possibly be improved is the image capture part, but you don't say anything about that. Ar...

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Histogram Equalization-Contrast Adjustment
Don't use histogram equalization. It's a common beginner misconception that it helps. It is not needed. First of all, it usua...

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How to use "imregionalmax" without using for loop
peaks = sort(AF_Nuni(i,imregionalmax(squeeze(AF_Nuni(i,:,:))))); The way you're indexing could be slowing you down. Normally y...

más de 2 años hace | 1

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I'm dealing with Speech compression using Linear Predictive Coding. When I run the code I get a few errors.
The error is clear: the file does not exist. Check the spelling and location. Perhaps add a file extension if the file has one...

más de 2 años hace | 1

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Read Excel and write output
What is p1, p2, and p3? You might try R = xlsread('Book1.xlsx') %% Excel sheet (Book1.xlsx) is in 'D' drive A = R(:, 1); B =...

más de 2 años hace | 0

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Matlab GUI to select and plot data from csv file.
Use the current figure, gcf: figPosition = get(gcf, 'Position'); Also see MAGIC - MATLAB Generic Imaging Component that has a...

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Mac Warning: Name is nonexistent or not a directory
Does the mac care about the direction of the slash in the path (Windows doesn't)? Try using all forward slashes. Try leaving o...

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xline - draw a partial line
You can use line or plot instead of xline

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I have basic understanding of MATLAB, how do i move forward
Best way(s) to master MATLAB? - MATLAB Answers - MATLAB Central

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How can I remove the central pattern (near 0 hz value) correctly?
It looks like it's deleting the spectrum along the axes. If you just want the central spot, then just erase that: [rows, colum...

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Find brightest frame in video file
See my attached demo that runs through a video getting the mean R, G, and B, and gray scale brightness. Once you've run though ...

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PROBLEMS WITH SAVING PATHFOLDERS
I noticed that you included the drive letter in one path but not the others. Try putting the drive letter in all paths. What o...

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