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Error using Fseek. Invalid filer identifier, use fopen to generate a valid file identifier.
You attempt to open 45C.fid/fid but 45C.fid does not exist as a folder -- existing folder is 45temps.fid and 45meas.fid You sho...

11 Tage vor | 0

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How can I process all the possible pairs of arrays without using 2 nested for loops?
if all(triu(FirstMatrix) == triu(SecondMatrix), 'all')

12 Tage vor | 0

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what is wrong on my codes ? I can not get my result any one help?
You need A = eye(6); However, A*x <= b with A = eye(6) is equivalent to x <= b which is the same thing expressed by UB, so the...

12 Tage vor | 0

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Error using plot Vectors must be the same length.
fs=500; t=(0:(6*fs-1))/fs; sygnal2a=sin(t(1:500)*1*2*pi); sygnal2b=sin(t(1:500)*1*2*pi+2*pi); sygnal2b is the same as sygn...

12 Tage vor | 0

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MATLAB freeze after closing figures
This is a known problem with R2023b and Apple Silicon https://www.mathworks.com/matlabcentral/answers/710913-matlab-r2020b-free...

12 Tage vor | 0

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How to optimise an objective function with a summation of integrals
x = lsqnonlin(@(x)(S(P,T,N,Limites_Sectores_T,x)), x0, lb, ub,[],[],Aeq, beq, options); There are a few different valid calling...

13 Tage vor | 0

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Matrixwise subtraction yields vector - how to reshape to original logical matrix?
One way: result = arrayfun(@(IDX) mean(A(cmpMatrix(:,IDX),IDX)-B(cmpMatrix(:,IDX),IDX)), 1:size(A,2)) Chances are that this wi...

13 Tage vor | 1

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How to import text data with different column lengths without having NaN
There is no option for producing column vectors of different lengths. After you readtable, you can newTable = varfunc(@(DATA...

13 Tage vor | 0

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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...

14 Tage vor | 2

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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 ...

14 Tage vor | 0

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

14 Tage vor | 0

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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); ...

14 Tage vor | 0

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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...

15 Tage vor | 0

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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.

15 Tage vor | 0

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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})

15 Tage vor | 0

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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...

15 Tage vor | 0

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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...

15 Tage vor | 0

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

15 Tage vor | 0

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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...

15 Tage vor | 0

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

15 Tage vor | 0

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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);...

15 Tage vor | 1

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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...

15 Tage vor | 0

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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.

15 Tage vor | 0

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

16 Tage vor | 2

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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.

16 Tage vor | 0

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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...

16 Tage vor | 0

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"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

16 Tage vor | 0

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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...

16 Tage vor | 0

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