Answered
Set elements to hide\visible MATLAB Guide)
The action should be done inside the callback function, which is called, when the element is clicked: function baseHeightRbtn_C...

3 years ago | 0

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Answered
Group number identification consecutive numbers
With FileExchange: RunLength : index = [1 0 1 1 1 0 0 0 1 1 1 0 1 1 0 0 1 1]; [b, n] = RunLength(index); m = n(b == ...

3 years ago | 1

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Answered
How to implement more steps in mathwork coding?
Maybe: fun [ …… 0ut2 …. ]= mainfun [………………….] iteration=0 while iteration < maxiterationno ... ...

3 years ago | 0

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How do I query 200 cells containing datasets of unequal lengths using one data having complete data?
The data are not random, but the values of the former iterations. You do not reset the contents of refom to NaN in each iteratio...

3 years ago | 0

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Answered
Create a function to find the product of three numbers, I am trying to use random numbers but an error keeps coming up
Where did you create this function? This cannot happen in the command window. Open a file using the editor, create the function ...

3 years ago | 0

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Error (line 43) Conversion to double from cell is not possible.
Use the debugger to examine the problem. Type this in the command window: dbstop if error and run the code again. When Matlab ...

3 years ago | 0

Answered
The size function does not return the right number
You do not even need a loop: m = unique([in_M, code_M],'sorted', 'rows'); [len, notImp] = size(m); m = m(m(j,2) <= 4095, :); ...

3 years ago | 0

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Answered
ODE45 Multiple Degrees of Freedom Problem
The error message tells you, that Matlab fails in the function F. Unfortunately you post the other code, but not the failing fun...

3 years ago | 0

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Answered
Prompt the user for a number and check whether it is prime or not. Collect these prime numbers and write it to an output text file.
Your code does not collect the prime numbers. Add this in the branch, where a prime number is identified: prime_numbers = [prim...

3 years ago | 0

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Answered
Are the top-ranked Matlab users working for MathWorks, or do they have another job ?
You can recognize persons working for The MathWorks by the tag "staff" beside their names. Most of the top-ranked members do no...

3 years ago | 2

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Answered
extract data from a specific line of a txt file
Using modern functions to parse the file: Lines = readlines('path/to/file.txt'); Lines = strtrim(Lines); % Maybe some lead...

3 years ago | 1

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Answered
Error using sum, interpn and ndgrid: Arrays have incompatible sizes for this operation
It is a bad idea to redefine "pi" as variable, because this conflicts with the constant pi. Use the debugger to examine the pro...

3 years ago | 0

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"renamevars" doesn't return output
If you want to change this behavior, login with admin privileges and modify the file renamevars.m. You find the check of nargout...

3 years ago | 1

Answered
Find out the intersection of two curves despite NaN-Values
x = 0:50; m = 0.234; yaxis = 60; y = (m*x)+yaxis; V1 = [1 2 3 4 5]; V2 = [50 80 NaN 90 100]; V1(isnan(V2)) = nan; % ...

3 years ago | 0

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Answered
Monthly sum function with nansum not being used correctly
function Y = monthly_sum(T, X) grp = [datenum(2000, 1:252, 1), Inf]; ngrp = numel(grp) - 1; c = size(X, 2); X_hour = nan(n...

3 years ago | 0

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Answered
Saving a grayscale image with scaled values
folder = "directory" for i = 1:100 % Scale the image: img = fisp1(:,:,1,i); tmp = min(img(:)); img = (img -...

3 years ago | 0

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Answered
create subfolders that are the same as those in another folder
oldPath = 'C:\Users\Alberto\Desktop\GLOBAL'; newPath = 'C:\Users\Alberto\Desktop\GLOBAL2'; d = dir(oldPath); dfolder...

3 years ago | 0

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Answered
how to change the position of the axis data?
% Dummy contents: H = axes; plot(1:10); drawnow; % Get original ticks: XTick = H.XTick; XLabel = H.XTickLabel; nTick ...

3 years ago | 0

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Answered
Extracting first element of multiple arrays within a cell
result = cellfun(@(c) c(1), zz)

3 years ago | 0

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Answered
Logical indexing for two conditions
Excess = zeros(size(Energy)); m = (Energy >= 20); Excess(m) = Energy(m) - 20; A simpler code, but without the wanted log...

3 years ago | 1

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Answered
ode45 doest not return some results as zeros
The initial value is zero: [T,X] = ode45(@obj.PTVP, t, [0; 0; 0; 0; 0; 0; 0; 0]); The derivatives of the first 4 elements e...

3 years ago | 0

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Answered
Determine if the following series converges or diverges
Of course sum(1:Inf) is divergent. Either your answer contains a space (which is invisible in a screenshot...) or the test conta...

3 years ago | 1

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Answered
How do i create a new .txt document for each run of a code?
fprintf does not create files, but writes into existing files. fopen is responsible for opening or creating files. folder = 'C:...

3 years ago | 1

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Answered
Problem evaluating OR operator
if Answer == ('1') || ('2') Matlab evaluates this condition accourding to the precedence order of the operators from left to ri...

3 years ago | 1

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Answered
I have fig file and I want export transparent file from it.
F = getframe(gcf); RGB = F.cdata; BG = get(gcf, 'color'); imwrite(gcf, 'Output.png', 'Transparency', BG);

3 years ago | 0

Answered
How to add and autofill a new column to very large dataset?
X(:, 2) = 17:0.0001:21; Note that: size(17:0.0001:21) This does not match "3 Million data points".

3 years ago | 0

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Error (Index in position 1 exceeds array bounds. Index must not exceed 173.)
The error message is clear: img0 has 173 rows only, so you cannot access the indices 1:250 .

3 years ago | 0

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Code for graphing bending moment is giving the wrong graph and I don't know why, can anyone help?
% sumM=0; % not here for x=0:L sumM=0; % but here for k = 1:nweights if x<=p(k) M = Wk(k) *...

3 years ago | 0

Answered
assigning array to another
Maybe: A = [2, 4, 7, 12, 56, 34, 6, 96, 11, 26]; q = mod((1:24) - 1, numel(A)) + 1; B = A(q); B = reshape(B, 4, []) Here th...

3 years ago | 0

Answered
Delete rows with the same data in the matrix
x = [1 1;2 1;2 3;4 5;1 1;1 2;3 2]; % Swapped [1,2] and [2,1] sx = sort(x, 2); % Sort the rows: [ux, ix] = unique(sx, '...

3 years ago | 2

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