How to create legend with multiple variables in a loop ?
You should put the figure creation and the creation of the legend outside the loop. You are merging the two texts, but you sh...

19日 前 | 0

Adding a cell to another cell in a specific position
What do you mean exactly by adding? %create some data n=3;m=5; A=num2cell(1:n).'; B=num2cell(2*n+(1:m)).'; %option 1: A1...

20日 前 | 0

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remove cell values of a column vector not contained in another column vector
doc ismember And maybe setdiff will do the trick as well.

23日 前 | 0

For loop in a for loop
You are resetting b in your loop, so only the last value of k matters. And the middle loop isn't a loop, as it is a scalar.

23日 前 | 1

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plot all roots of a polynomial which has a interval coefficient
I meant something like this. N=200; Z=NaN(N,3); a=linspace(2,3,N); for n=1:numel(a) p=[1 a(n) 1 1]; z=roots(p); ...

25日 前 | 0

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Unable to select seed points manually in region growing algorithm
getpts will return decimal values, so you will have to use round. I= rgb2gray((imread('TM25.jpg'))); figure,imshow(I) [x,y]=g...

25日 前 | 0

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Out of memory. The likely cause is an infinite recursion within the program.
Inside the function trans you are calling the function trans. Without any logic to stop this, this will result in an infinite lo...

26日 前 | 0

Is there a way to call a part of a function using an index?

26日 前 | 0

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check for a pair in power hand
The feasibility of this depends on the size of the arrays involved. If your vectors are too large, the implicit expansion will c...

26日 前 | 0

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R^2 meaning in linear mixed-effects model
The information you seek should be available on the Wikipedia page for the R². This is one of the most basic goodness-of-fit pa...

27日 前 | 0

Dividing the string data
You can split this with a regular expression. str='68753-9.990e+000 -9.900e-002 -9.990e-003-3.330e+000'; RE=['[+-]?',... %s...

27日 前 | 0

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Matrix is singular to working precision. Meshgrid
You aren't using elementwise operations anywhere. You should replace every * by .* and every / by ./, that way you will not be d...

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How can i process the elements of a vector in this way
A good first start would be to split your vector into a cell array. I suspect you will need diff, find, sign, and mat2cell. The...

How to create a matrice from selected rows from other matrices
You overwrote the entire variable. See the edits I made to your code. file_lat_1_fmt = 'October_01_2014_surface_lat_%02.0f.mat'...

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Changing the color of stacking bar plot with many groups
students = rand(28,10); year = 2020: 2029; h=bar(year, students, 'stacked') ; legend('A', 'B', 'C', 'D', 'E', 'F', 'G',...

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Filling a white space in plot with another color
It is not possible in a direct way, but you can do things with patch to get a similar result: t=linspace(0,5*pi,1000); y=abs(s...

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How to make a linear regression from an excel file
You can use the unique function and a loop. (edited to include a custom function to extract a specific strain value) data=xlsr...

Draw line between two points if x distance is longer than...
You can easily find the indices of such locations (assuming x and y are sorted along x): x=[linspace(-16,-8,200) linspace(-5.5,...

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training model neural network
This sounds like an mlint warning. The source would be reduceDataset being false, which would cause the entire if block to be sk...

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Unable to delete variable
removevars will only work on tables, not on structs. Use rmfield to remove a field from a struct.

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How to reverse a series of variable assignments?
I tend to use deal to make it more or less compact: [var,othervar,somevar]=deal(setting1,othersetting,somesetting); Now if I w...

ifversion
Determine if the current version satisfies a version restriction

different outcome cellfun(@isempty,..) vs cellfun('isempty',...)
The reason is partly documented: "If you specify a function name rather than a function handle cellfun does not call any overlo...

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The LaTeX editor is slightly hidden: it is labeled with the sigma and generally referred to in the Answers documentation as 'equ...

How to graph discrete equation: y(n) = y(n-1) + 1 for 1000 samples
I would do something like this: %create a vector of the correct size y=NaN(1000,1); % by using NaN we should notice it if we s...

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How do I make a lower triangular matrix from a column vector?
The functions you should be looking for are tril and triu. You should be using triu, because you seem to want to fill your array...

How to implement 2 vectors in a for-loop to get a matrix?
[A,B]=ndgrid(a,b); Then a single for-loop will do

학교 정보 변경하는 방법
Even if sometimes staff members look on this forum and post from time to time, the help on this forum is mostly provided by peop...

Error "too many input arguments"
You misread the error message slightly. The source of your issue is here: disp ('code2 =', code2) The disp function only allow...

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Draw a 'Z'.
Given _n_ as input, generate a n-by-n matrix like 'Z' by _0_ and _1_ . Example: n=5 ans= [1 1 1 1 1 0 0 0 1 ...