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create a variable and specify its column
The specifics will depend on what format the variable day is. Here, I assume it is a datetime. % Create the table day = dateti...

alrededor de 1 mes ago | 1

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sort boxplot based on 25-75th percentiles
Yes, it is possible. The algorithm would be something like Find the percentiles on the data, using the prctile command, before ...

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Index in position 1 exceeds array bounds (must not exceed 26)
You haven't provided enough info to run your code, which would make debugging much easier. You also didn't tell us which line gi...

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trying to use logical matrix to get remove some elements from matrix instead of getting a same matrix im getting a column matrix
Assuming you want zeros in the other locations: a=[1,2,3;12,21,2;2,1,2] b=(a>1) c = zeros(size(a)); c(b)=a(b) c = ...

alrededor de 1 mes ago | 1

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How to check what part of an array isn't scalar?
Just to clarify, are you saying that you have a categorical array, you are trying to apply the unique command to that array, and...

alrededor de 1 mes ago | 0

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My output did not display in command windows when using script
The syntax you used, fprintf(fid,...) is explicitly for writing to files. Use fprintf(...) % without "fid" argument to write...

alrededor de 1 mes ago | 1

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(Array indices must be positive integers or logical values.) any help plz
The specific reason you get that error is that sx is complex number. sx is complex because s is complex. s is complex because ...

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How to change the plot title and file name when saving it to a for loop
Part of the problem is that you are mixing character arrays and strings. The following works (after you set your own outputdir):...

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For loop to calculate distance between a 5d dimensional data point and another matrix
The distance from the i-th point of T to the j-th centroid is sqrt(sum((T(:,i) - centroids(:,j)).^2)); % Check my formula here,...

alrededor de 2 meses ago | 0

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I have a variable with a string that I would like to use as a filename, how do I input that string into a function rather than the variable name?
I think I see the problem. Did you notice that the output of the inputdlg command is a cell array? You need the contents of that...

alrededor de 2 meses ago | 0

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array and logicals; deleting columns
Here is one way. arr = [1 2 3; 4 5 6; 7 8 9]; logic = [false true false]; new = arr(:,not(logic))

alrededor de 2 meses ago | 0

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Indexing problem. I want to insert a vector into another vector with a loop.
Here is one way. A = [5 4 3]; B = [1 -1 -1 1 0 0 0 0 0 0 0 0 0 0]; for nb = 0:numel(B)-4 output = [A circshift(B,nb)...

alrededor de 2 meses ago | 0

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how to specify y axis?
Try this: clear clc clf x=1:1:24 yyaxis right y =[0,0,0,0,0,2.879097736,22.91004173,45.42868867,58.31916249,64,65,66,65,6...

alrededor de 2 meses ago | 0

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how to specify y axis?
set(gca,'YTick',[0 500 1000],'YTickLabel',[0 500 1000])

alrededor de 2 meses ago | 1

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Error Using fprintf Invalid file identifier. Use fopen to generate a valid file identifier.
Is this good enough? I = rand(2); if ~isnan(I) I if abs(I)>2 fprintf("Violated Bell Inequality"); end else f...

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Using a Variable between different functions
You can pass them out of the first function: function [coin, I, evAlice, evBob] = CHSH_(sigma_x,sigma_z) and into the second o...

alrededor de 2 meses ago | 0

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I have a variable with a string that I would like to use as a filename, how do I input that string into a function rather than the variable name?
I don't have dxf_open, but the following -- which is effectively the same as what you posted -- works for me: answer = 'test'; ...

alrededor de 2 meses ago | 0

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joining one column from a table to another while matching all other columns
(Your code won't produce the tables a and b.) I believe the outerjoin command does what you want: a = table({'k','l','m','b','...

alrededor de 2 meses ago | 0

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Difference between rng('shuffle') and NO rng for estimating with MLE
If you start a fresh instance of MATLAB, and generate a sequence of pseudorandom numbers, it will always be the same sequence. (...

alrededor de 2 meses ago | 1

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TAKING [X1 X2 …] and [Y1 Y2 …] and reshaping them into [Y1 X1 Y2 X2 …]
xy = reshape([y;x],1,[]);

alrededor de 2 meses ago | 0

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about prime matlab problem
The reason is that if an element of vec is equal to 1, then for j=2:sqrt(n) is for j=2:1 so that for loop is never entered, ...

alrededor de 2 meses ago | 2

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Replacing row in matrix with previous row depending on condition
Here is one way: while any(A(:)==-2) rowToReplace = find(any(A==-2,2)); A(rowToReplace,:) = A(rowToReplace-1,:); en...

alrededor de 2 meses ago | 1

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How can i create a table?
Did you try looking through the documentation for tables?

alrededor de 2 meses ago | 0

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Integration for only positive values
Can you just replace your PDF with max(0,PDF) and proceed?

alrededor de 2 meses ago | 0

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Looping the extraction of a vector from a 3d array
B = reshape(A,[174688,29224]);

alrededor de 2 meses ago | 1

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How can the generated complex numbers represented by j instead of i?
If z is your complex variable in MATLAB, save the real part real(z) and the imaginary part imag(z) separately, and re-constr...

alrededor de 2 meses ago | 1

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"eig" use which algorithm to find eigenvalues
The algorithm is dependent on the properties of the input(s). The algorithm section of the documentation for eig gives some inf...

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how to find the max element in each column and row and replace it with 1. If conflicting elements occur, look for the next max element.
Blatantly stealing ideas from Ameer's and Rajil's solutions here. But I think there are some potential issues with those, specif...

alrededor de 2 meses ago | 1

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How do I insert a placeholder in a plot where I don't have data?
You could use interpolation to identify where the "trend" would be at the missing data point, and plot the interpolated values a...

alrededor de 2 meses ago | 0

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Correlation coefficient in 3D
Your formulas for den1 and den2 are not symmetric. It looks like den2 does not correspond to the formula in the screenshot, and ...

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