Respondida
Wrong print negative number with fprintf in hex
rng(73); N = 20; r = (randn(N, 1) + 1j.*randn(N, 1)) * 10000; for i = 1:N fprintf('Real[%d] = %04X; ', i, typecast(int16...

más de 2 años hace | 2

| aceptada

Respondida
Solving large number of equations
syms X1 X2 X3 X4 X5 X6 X7 X8 p_11 = 1; p_12 = 2; p_13 = 3; p_14 = 4; p_15 = 5; p_16 = 6; p_17 = 7; p_21 = 8; p_22 = 9; p_23 ...

más de 2 años hace | 0

| aceptada

Respondida
How to Rewrite This Section of Code as a For Loop
termAsum = 0; for term = termA(:).' termAsum = termAsum + term; end

más de 2 años hace | 0

Respondida
Running code for different variable values.
theta = 0:2:12; num_theta = length(theta); alpha = zeros(num_theta, 147); for i = 1 : num_theta this_theta = theta(i); ...

más de 2 años hace | 0

| aceptada

Respondida
imread file does not exist - Unable to read file with multiple images
% Specify the filename containing images foldername = 'D:\BMPtoPNG'; % Read all images from the file dinfo = dir(foldername...

más de 2 años hace | 0

Respondida
Operands to the logical AND (&&) and OR (||) operators must be convertible to logical scalar values. Use the ANY or ALL functions to reduce operands to logical scalar values.
You would get this error if the grading system is expecting n to be a scalar but n is a 2D array instead.

más de 2 años hace | 0

| aceptada

Respondida
Variable q4 has an incorrect value.
syms x y g(x,y) = x*y/(x^2+y^2) dyxx = diff(diff(diff(g(x,y),y),x),x) q4 = subs(dyxx,{x,y},{1.2,3.8})

más de 2 años hace | 0

| aceptada

Respondida
How do I complete my matlab code for a given formula.?
The first thing you have to do is figure out which of the two clusters corresponds to which condition. kmeans() clustering with...

más de 2 años hace | 0

| aceptada

Respondida
Variable q5 must be of size [1 2]. It is currently of size [1 1]. Check where the variable is assigned a value.
syms x y f(x,y)=x-x*y^2+sqrt(y); u = sym([2,9]); part1 = u/norm(u) part2 = jacobian(f(x,y),[x,y]) q5 = dot(part1, part2) Y...

más de 2 años hace | 0

Respondida
im constantly getting this error in my matlab code can someone expalin what i should do or how it should be
q4 = subs(fyxx(x, y), [x,y], point);

más de 2 años hace | 0

Respondida
MATLAB does not run on new iMAC
You need to deactivate on your old Mac and reactivate on your new Mac.

más de 2 años hace | 0

Respondida
I did make an code of fast fourier transform. But there's an error on the code when I run it. There's anyone who more about and can assist or guide me to make the code running
You define a variable Window_Nhr but then you try to repmat Window_Nh

más de 2 años hace | 0

| aceptada

Respondida
Which function used to use in M-Script to remove the variables
It is not possible to create a variable with a name similar to 1Tn007 What can happen is that if you load() a .mat that was ge...

más de 2 años hace | 0

Respondida
Need Help Simplifying code
Replace pick=find(max(playerInfo(2,:))==playerInfo(2,:)); pick=pick(1); with [~, pick] =...

más de 2 años hace | 0

| aceptada

Respondida
Legend according to colours of the bars
questionnaire = {'A', 'B', 'C', 'D', 'E', 'F'}; for i = 1:numel(arrays) subplot(4, 1, i); values = arrays{i}(:, 2);...

más de 2 años hace | 1

| aceptada

Respondida
why i got this error when i want to use GPU to accelerate the simulation?
In MATLAB R2021b, only the following are supported for GPU Coder work: Microsoft Visual C++ 2019 product family Microsoft Vis...

más de 2 años hace | 0

| aceptada

Respondida
Can I create a stand-alone Windows application from my Mac that permits parallel processing?
There is no support for building for a Windows target on a Mac or Linux. ... You could potentially use Parallels.

más de 2 años hace | 0

| aceptada

Respondida
Will Quality of Documentation be better in 2024 Products?
No, it will not improve in R2024a.

más de 2 años hace | 2

Respondida
I am supposed to assign a license to a colleague but I cannot find the license center.
https://www.mathworks.com/mwaccount/ is the license centre.

más de 2 años hace | 0

Respondida
Shift in lines when creating videos using VideoWriter
This is a known problem in R2023b for the Apple Silicon Possibly it only happens when you only write a single frame to the movi...

más de 2 años hace | 0

Respondida
"Could not find version 7.17 of the MCR" error while running Matlab2013b with DKE, even after downloading Compiler 7.17 and 8.2
mcr 7.17 corresponds to r2012a https://www.mathworks.com/products/compiler/matlab-runtime.html

más de 2 años hace | 0

Respondida
Creating a loop to assign 20 players to two teams and deleting columns
numPlayers = 20; ftPercent = randi([50,90],1,numPlayers); avgNumTurnover = randi([0,8],1,numPlayers); playerInfo = [1:1:numPl...

más de 2 años hace | 0

Respondida
Converting table data from Celsius unit to Fahrenheit unit
Result = T(:,10:17) * (9/5) + 32 ;

más de 2 años hace | 0

| aceptada

Respondida
Im creating a nested treemap, but the output is giving different colors for the legend and treemap
legend() does not permit passing in an N x 3 array of legend colors. legend() does not permit setting Color at all. legend() p...

más de 2 años hace | 0

Respondida
I can't minimize fval value using this code
You have constraints = @(capplcsz_opt) constraint_GA(capplcsz_opt, Vmax, Vmin); when you should have constraints = @(capplcsz...

más de 2 años hace | 0

Respondida
How to interface symbolic solutions with numeric ode solvers
When you symfun(), an anonymous function is generated that does not use the symbolic toolbox. The traceback for the anonymous ...

más de 2 años hace | 0

Respondida
Error of array exceeds maximum array size preference
Preferences -> Workspace -> MATLAB Array Size Limit Turn off "Limit array size to a percentage of RAM" Meanwhile, make sure t...

más de 2 años hace | 0

Respondida
App designer button down callback with keypress
You need to check the figure property "SelectionType" The ability to check the details of modifiers is for figure WindowKeyPres...

más de 2 años hace | 2

| aceptada

Respondida
I was trying to find the optimised design variables using GA in MATLAB. When I run the program it was running and running. Can anyone please check the loops used in the codes?
Your objective function calls [~, ~, ~, ~, ~, ~, ~, ~, ~, ~, ~, ~, E_MCP, E_PIP, E_DIP] = calc_EFG(x); Your nonlinear...

más de 2 años hace | 0

Respondida
How can i restrict the cross cursor in ginput function into a specific UIAxes instead of it showing in the whole appdesigner figure?
You can do something using the undocumented overobj() but see https://www.mathworks.com/matlabcentral/answers/327043-change-the-...

más de 2 años hace | 0