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How do I write a code to rearrage the colors in an RGB color array?
The third dimension of your 229x600 image contains the rgb values for each pixel: image1(:,:,1) is the red channel, image1(:,:,2...

casi 2 años hace | 1

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Finding the sum of the first n primes and to use a while function
There are two issues in your code: You are testing if i is not a prime number, when you actually want to test whether it is a p...

casi 2 años hace | 0

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MATLAB Figure and LATEX
I'm not sure what the issue is, but your figure displays just fine when I save it to a png file (my preferred graphics file form...

casi 2 años hace | 0

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Merging two arrays of two different types
You are combining double values (from a) with character values (from b), which yields a character array according to MATLAB's cl...

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How Can I Show a txt File in a GUI ?
A text area would be the way to go, as it will show a scroll bar and wrap text if the content of the textfile is larger than the...

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Count if a vector has at list one element greater than zero
count = sum(v>0) The expression v>0 creates a logical array of 1s and 0s, with a 1 for every element of v that is greater than ...

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Equation in a single column matrix?
When I run your code (after fixing a typo when you refer to what I think should be b(n)/13), the result is a 1-by-6 array for c:...

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evaluation of anonymous function
I am not quite sure if this is what you are asking, but I'll give it a shot: The piece of code important to your question is r...

casi 2 años hace | 1

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Adding a pathdef.m file, as a string, to the current path
You probably want to use textscan for this: fileID = fopen('pathdef_etc.m') C = textscan(fileID, '%s', 'Delimiter', '\n') fcl...

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how to define a gradient colormap
Yes, you can use a fixed colormap by executing the following command each time you plot an image: caxis([-1 1]) This will map ...

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Index a cell array with an cell
Hi Christian, You can pick the corresponding entries for each of the cells of C as follows: C{i}(B{i}==0) The results are the...

casi 2 años hace | 0

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

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Delete values in a table but keep the cells
Try df{r,c} = {''} instead. You should be able to avoid the inner loop entirely by using df{r,3:nCols} = {''} Also, to check...

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Specify annotation position with respect to x- and y-axes values?
This is an older post, but the following is perhaps useful to others: If horizontal arrows are ok, data units can be used by as...

casi 2 años hace | 15

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check if figure exists whithout making it appear and using its figure number in findobj()
R2014b and later no longer use numeric handles for graphics objects, so most answers given above do not work. In these cases, ...

alrededor de 7 años hace | 1