Answered
Line plot not showing up in for loop iteration
What exactly is trhe problem with your code? Maybe all you need is to insert a drawnow command after the plotting? By the way,...

23 días ago | 0

Answered
Printing the entire array row in Matlab
a = [12,3,4,5]; b = [4,5,12,3]; fprintf('a: [%s]\n', join(string(a), ',')); fprintf('b: [%s]\n', join(string(b), ','));

23 días ago | 1

Answered
how I create improved lorenz code
The test contains cos(dt), but your code only cos(t).

23 días ago | 0

| accepted

Answered
Unrecognized function or variable 'setupgraph'
You have mentiones the source of the dijkstra function in your other thread: https://www.mathworks.com/matlabcentral/fileexchang...

23 días ago | 0

| accepted

Answered
find if one number is member of a column ,of cell array, that contains cell entries and if it is member, in which row, it appears
Simplify the data representation at first: for k = 1:size(C, 1) C{k, 5} = [C{k, 5}{:}]; end Then the searching is easy: ...

23 días ago | 0

| accepted

Answered
function handle specify in matlabfcn function
According to the documentation doc matlabfcn : =matlabfcn("quadgk(@(x) x.^2)", M3, M4)

23 días ago | 0

Answered
Define matrix function to output matrix
A = rand(3); fumn(A, @sqrt) fumn(A, @(x) 1 ./ x) fumn(A, @(x) exp(-x)) function f = fumn(A, fcn) f = fcn(A); end

23 días ago | 0

Answered
Reducing the running time of a for loop iterating through cells
Is C pre-allocated? Why do you use square brackets? This is the concatenation operator in Matlab. As far as I understand the us...

23 días ago | 0

Answered
why in this function they use empty square brackets?
A(i,:) = []; This deletes the i.th row of the matrix A. Example: A = [1,2,3; 4,5,6; 7,8,9]; A(1, :) = [] % A = [4,5,6; 7,...

24 días ago | 2

Answered
Open to feedback for my code
[] is Matlab's operator for a concatenation. [0.05] concatenates the numnbre 0.05 with nothing, therefore this is a waste of tim...

24 días ago | 0

| accepted

Answered
Help with a loop that computes at each step
hs = [0.05, 0.05/2, 0.05/4, 0.05/8, 1/1000]; for k = 1:numel(hs) h = hs(k); N = totalDuration / h; % ??? y = y...

24 días ago | 0

| accepted

Answered
How to call functions from inside an if statement only once?
I'm not sure if I understand you correctly, but maybe: for tt = 2: 50 ... if tt > 2 || M(tt) >= 0.3 * N [G_dmg, ~] =...

24 días ago | 0

Answered
change in xlrange of xlsread while sing loop
Why do you want to import ranges at all? Import the complete file as a matrix or table and filter out the needed values by somet...

24 días ago | 0

Answered
Invalid expression. When calling a function or indexing a variable
You cannot use constants in the definition of the inputs of a function: function [e L] = dijkstra(datos,1,12) % ...

24 días ago | 1

Answered
How to trace the end point of my vector without losing other plots?
Do not delete obejcts and draw new ones, but keep the obejcts and modify the coordinates. If nothing is deleted, it is easy to k...

25 días ago | 0

Answered
Error using mex Access denied; check that you have permissions to access.
Without Admin privilges you cannot write to the Programs folder - and this is a good idea. Copy the file mexGPUExample.cu from ...

25 días ago | 0

| accepted

Answered
For-loops are now faster than some of the simplest vectorized statements. Why do we still need so much deep copying?
I have heared the moaning in the net, that Matlab processes loops very slow. Then MathWorks has introduced the JIT acceleration ...

25 días ago | 1

Answered
How to stop display of variable type in command window?
If you want the output as in old Matlab versions, you have to use old Matlab versions. To control the output, use specific func...

25 días ago | 0

Answered
Trying to create an interpolation function where Matlab asks me for value inputs.
function Y = Interpolation (X,x1,x2,y1,y2) Y = y1 + (X-x1) * (y2-y1) / (x2-x1); end Now provide the input arguments as inputs...

25 días ago | 0

Answered
Matlab structure of struct
MyStruct = cell2struct(cell(2, 1), {'field1'; 'field2'}) Now the fields exist, but contain empty matrices only.

25 días ago | 1

| accepted

Answered
How to get the value of (V ) , using Mathlap of matrix (Write the code in step).
% V = Y \ I Y = [-12.576i, 5i, 0, 6.667i; ... 5i, -12.5i, 5i, 2.5i; ... 0, ...

25 días ago | 1

Answered
How to stop particles crossing the solid cylinder boundary
What about: Outcircle = ((x_out - x_c(j)).^2 + (y_out - y_c(j)).^2) >= (D/2)^2; x_out(Outcircle) = x_previous(Outcircle); y_o...

25 días ago | 0

Answered
Too many open files. Close files to prevent MATLAB instability.
Yes: call fclose(fid) after the data are imported. The operating system limits the number of files, which can be open simultane...

25 días ago | 0

| accepted

Answered
Is there a safe version of `run`?
No, this is not possible. There is always a trick to use str2func to call eval , which executes a string, which is decrypted dur...

25 días ago | 0

Answered
How can I contact the Exchange Admin?
Use the "Contact Us" button. The categories do not really match your problem, but simple choose some almost matching details and...

25 días ago | 0

| accepted

Answered
Size of compressed image is larger than image .... How to solve this problem?
If the original image was written with a low quality, the default Quality=75 of imwrite might increase the file size.

25 días ago | 0

Answered
Any onr can help me
% Sum of i (i = 1:n): s = n * (n+1) / 2 Gauss is faster and easier. % Your solution: y = 0; for k = 0:n y = y + ((n/k)...

25 días ago | 0

Answered
Improving MATLAB programme to make it Run faster
In Matlab online one iteration needs about 3 seconds. for gamma_by_L = 0.01:0.1:5 for beta_by_L = 0.1:0.1:5 for alpha_...

25 días ago | 0

Answered
what correction is required in the code?
A hint: You want to perform this: s = 0 s = s + 2*2 s = s + 2*5 s = s + 5*8 You need to loop over the indices of m. There i...

26 días ago | 0

Answered
How do I find f(x) if I have this definition
You have given the formula already: Create a sum from n=1:m over: (-1)^n * x^(2*n + 1) / factorial(2*n + 1) These are all term...

26 días ago | 0

| accepted

Load more