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I am getting this error "The right and left hand sides must have the same number of elements" while computing g(i)
Try replacing this line: g(i) = abs(real(v_ref - vc_k1)) + abs(imag(v_ref - vc_k1)); with this line: g(:,i) = abs(real(v_ref(...

5 days ago | 0

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How to save a value from a slider
One thing to note is that plotButtonPushed() is nested inside changeThreshold(), so the main function buttonPlot() will not see ...

5 days ago | 0

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Select lines from table to plot in MATLAB GUI
You can create one line for each spectrum (this would probably be in the plot button Callback) and then set the visibility of th...

5 days ago | 0

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Answered
Save multiple columns of multiple csv files?
[file_list, path_n] = uigetfile('.csv', 'Grab csv', 'Multiselect', 'on'); if ~iscell(file_list) file_list = {file_list}; ...

6 days ago | 0

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Answered
Setting section = NaN deletes part of matrix
Change this: bath_50m(ilon, ilat) = NaN; to this: bath_50m(ilat, ilon) = NaN; The reason is because this happened: bath_ch...

6 days ago | 0

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Answered
How to plot overlapped graphs better?
Maybe make top line dotted: figure(3) plot(t,mu_true,"b-"); hold on plot(t,mu_predicted , "r:"); xlabel('t'); ylabel('result...

6 days ago | 0

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Trouble using strings in If statements using OR
if race == "H2" || race == "H1" || race == "H3" || race == "H4"

6 days ago | 0

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Answered
I need to read an array to see if it has repeated elements (using for loop)
You can do it with two for loops like that, but note that if an element occurs more than two times, each pair will be counted, e...

6 days ago | 1

Answered
When a structure is passed to a function, can we add a field to it?
The answer is yes, the function can add a new field and pass the struct back out, and no, you don't have to create a new struct ...

6 days ago | 0

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Answered
read alot of csv files, average certain rows and columns and output in a new file
This will read all the .csv files in a specified directory, do the averaging of non-zero values over those columns and rows, and...

6 days ago | 1

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Answered
plot data into a while lopp without storing the data
If you want each new iteration to replace previously plotted results: i = 0 while i < 2500 % do stuff hold off...

6 days ago | 0

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Answered
Plotting different variable sets on same graph
plot(Current1, Power1,'r') hold on plot(Current2, Power2,'b')

6 days ago | 0

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Answered
A compact way to find elements of an array which are greater, equal, or less than the elements of a second array
a1 = [0 4 7 8 1 2 3]'; a2 = [4 4 6 9 9 1 1]'; b = sign(a1-a2)

6 days ago | 1

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Answered
How do you set the scale on a color bar from the figure window?
i don't know how to do it from the figure editor tools, but you can do it with a few lines of code, below. To demonstrate, I'll ...

6 days ago | 0

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if statement for every possibility
n = 10:99; weird_numbers = []; for i = n factors = divisors(i); factorArray = factors(1:end-1); lengt...

6 days ago | 0

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Answered
Calculate average between min and max numbers in column 3 depending on values in column 2, for each value in column 1
matrix = randi([1 16],2000,3); search_number = 7; idx_1 = matrix(:,1) == search_number; col2_vals = unique(matrix(idx_1...

7 days ago | 1

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Find the Minimum Combination of Sum
N = 100; window_size = 3; A = rand(N,1); signs = 1-2*(dec2bin(0:2^(window_size-1)-1,window_size)-'0').'; comb = NaN(N,1)...

7 days ago | 1

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Answered
Getting "Index exceeds array bounds" for line 103 but I do not see how the index number is more than the elements. Any help would be awesome!
Assuming output is an n-by-6 cell array, length(output) will be n if n >= 6 and 6 otherwise (i.e., if n < 6). Note that length()...

7 days ago | 0

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Why won't this function plot?
Try plot(c1_exp) or plot(t,c1_exp) With your for loop, you're plotting one data point at a time, which is imposs...

7 days ago | 0

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How do I convert a frequency table to a single vector?
First, setting up the variable as you have it: Blank2 = zeros(23,2); Blank2(:,1) = 1:23; Blank2(3,2) = 1; Blank2(4,2) = 8; ...

8 days ago | 0

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Answered
Create push buttons with a For loop and provide individual callbacks within the For loop.
When you specify a callback as a character vector, the callback executes in the MATLAB workspace (reference here), which may or ...

8 days ago | 0

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Split a vector into 2 oscillating vectors?
Here is a way to do it. Demonstrating with smaller vectors so as to more easily verify the result. To use it on your column vect...

8 days ago | 0

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Answered
For Loop Question on index
data = [ ... 1.0 68.0 45.0 92.0; ... 2.0 83.0 54.0 93.0; ... 3.0 61.0 67.0 91.0; ... 4.0 70.0 66....

8 days ago | 0

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Answered
How can I randomize positions with retract/replacement and save in a text file?
It sounds like you want a 30-by-40 matrix where each element is one of {20,40,60,80,100,120,140} and no two adjacent elements on...

8 days ago | 0

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Answered
How to replace the numbers in matrix?
Here is a way to do it using linear interpolation on each row. It will interpolate between the non-zero numbers to fill in the z...

8 days ago | 1

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Answered
How to display sequence of images in GUI
This line: img_files = num2str((1:seq_len)', [img_path '%04i.jpg']); should be like this: img_files = strcat(img_path,num2str...

8 days ago | 0

Answered
I dont understand, i try to use solve to find x in Matlab Function Block
Looks like you should use syms rather than sym fcn(0) function x = fcn(y) syms a; r1=7.3e-5; r2=-1.1e-7; s1=1.6e-1; s2=1....

8 days ago | 0

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adding limits in scatter plot
line([min(X) max(X)],[3100 3100]);

8 days ago | 0

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how to create a matrix when using surf function´╝č
What you are doing there is making F a scalar, but F needs to be a matrix the same size as u and v, so something like this: F =...

8 days ago | 1

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How to export matrix in the form of (column number, row number, value) in CSV?
A = randn(8,4) [m,n] = size(A); [c,r] = meshgrid(1:n,1:m); writematrix([c(:) r(:) A(:)],'output.csv'); % check the result ...

8 days ago | 0

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