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Undefined operator '^' for input arguments of type 'cell'.
c0=1; c1=2; c2=5 c3=4; A=(((c0/2)-(c1*c2/6)+(c2^3/27))-[(c0/2)-(c1*c2/6)+((c2^3/27)^2)+(c1/3-c2^2)^3]^1/2)^1/3; You can...

environ 10 ans il y a | 0

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Pausing the program for GUI
Use waitfor function

environ 10 ans il y a | 0

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Does there exist some functions that can solve inequality equations?
Solving linear inequality is complicated, non linear will make them more complicated. for now, There are no function that can do...

environ 10 ans il y a | 0

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How to prevent cell array within cell array
It's simply name = { 'Tom', 'Tim'}; record = [{'school', 'class'}, name]

environ 10 ans il y a | 1

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iterate values of x through the difference between 2 functions equal to 40. the final x must make the equations equal to 40
[~,idx]=min(abs(w-m)) out=w(idx)

environ 10 ans il y a | 1

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Setting mixed table data as empty
% -----------Example------------------- y={1 2 '3';4 [] 'r';7 5 'ee' ; 4 [] '8'} a=cell2table(y) %--------------The code-...

environ 10 ans il y a | 0

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How to integrate from t-1 to t in MatLab
Something is missing, How x is related to t? look at this example tt = -10:Ts:10; syms x t t0 Ts = 0.01; x=sin(t) y = i...

environ 10 ans il y a | 0

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negative with positive lookbehind regex issue
str = '12()+F34()+O56()'; ii1=regexp(str,'(?<=[OS]\d+)(\()' ) ii2=regexp(str,'(?<=\d+)(\()' ) out=setdiff(ii2,ii1)

environ 10 ans il y a | 0

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eliminate zero elements and separate into different matrix
A=[0 0 0 0 1 2 3 0 0 3 2 0 0 0 3 4 4 5 0] idx=A~=0 ii1=strfind([0 idx],[0 1]) ii2=strfind([idx 0],[1 0]) out=arrayfun(@(x,...

environ 10 ans il y a | 0

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using plot with 2 x and 2 y axis
Look at this example % ------------------your 2 functions----------------------------------------- x1=0:0.5:10; x2=x1+1 ...

environ 10 ans il y a | 1

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read all audio files in one directory
folder='C:\Users\malek\Documents\MATLAB' audio_files=dir(fullfile(folder,'*.m')) for k=1:numel(audio_files) filename=au...

environ 10 ans il y a | 1

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concatenate all cells in a celll array
a=arrayfun(@(x) rand(256,1),ones(7),'un',0) out=reshape(cell2mat(a),[],1)

environ 10 ans il y a | 1

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im2double(img) vs double(img)
Try this example, you will see the difference Im = reshape(uint8(linspace(1,255,25)),[5 5]) out1=double(Im) out2=im2ddoub...

environ 10 ans il y a | 0

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Copying specified number of elements from each row in a matrix?
Values =[1 3 5 7 2; 4 62 2 6 12; 45 8 1 7 9; 4 2 87 1 3; 4 8 1 4 64] V =[2;3;5;4;1] for k=1:size(Values,1) Val...

environ 10 ans il y a | 1

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I need to obtain second derivativ Second derivative
y=gradient(gradient(r,x),x) or r1=diff(r)./diff(x) r2=diff(r1)./diff(x(2:end))

environ 10 ans il y a | 0

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Creating a data structure by a loop.
Use {} name_of_data_structure(itt).(list_nam(iter))=data_matrix{itt}(:,iter}

environ 10 ans il y a | 0

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What does this do?
[m,n]=min(a) m is the minimum, n is the index of n m in a You can try an example a=[4 7 3 6 2 7 8] [m,n]=min(a) ...

environ 10 ans il y a | 0

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Assign values to empty matrix
You can use cell arrays A={1 2 'abc' 'efg' [1 2;3 4] [] ''} Remarque: result=zeros(10,3); is not an empty matrix. With ...

environ 10 ans il y a | 1

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How to create larger matrix within a loop?
DATA=[] for m=0:11; m=m+1; for n=1:15; DATA =[DATA;m,n] end end You can do it without for l...

environ 10 ans il y a | 0

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imwrite image as a tif
imwrite(D,'yourfile.tif')

environ 10 ans il y a | 0

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i am getting error that matrix dimensions must agree.
Check the sizes of I and Ihat

environ 10 ans il y a | 0

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extracting data from matrix
A= [10 20 1 30 40 2 50 60 3 70 80 4 90 100 5] B=[30 40 70 80] idx=ismember(A(:,1:2),B,'rows') B...

environ 10 ans il y a | 1

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Finding the equation of a line passing 2 points
After you found a, You can get b from your equation y=a*x+b,

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extracting information from structer under specific conditions
%--------Example----------------------------------------------------------- A=struct('xd',num2cell(randi(100,100,1)),'yd',num...

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is Quantization does not work with complex values
You can quantize separately the real part and the imaginary part

environ 10 ans il y a | 0

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Hi,I have a vector which contains 10 entries. I choose 6 entries among all entries. now I want to find out the index of chosen entries. how can i do this.?
idx=find(ismember(A,entries)) %or maybe you want this A=[1 3 5 2 7 4 9 1 4 5] entries=[1 5 7 4 9 5] B=A; for k=1:n...

environ 10 ans il y a | 0

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How to read a 1000 digit number from a text file into a matrix?
fid=fopen('fic.txt') s=textscan(fid,'%s') str=[s{:}] out=cell2mat(cellfun(@(x) x-'0',str,'un',0))

environ 10 ans il y a | 0

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How to find which rows are identical in a matrix
You can use unique function A=[1 1 1 1; 1 0 0 1; 1 0 0 1; 1 0 0 0] [ii,jj,kk]=unique(A,'rows','stable') row_duplicates=ac...

environ 10 ans il y a | 1

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Using IF block in Simulink
There are many solutions depending on your exact problem, what kind of actions? you can use switch blocks or the If block

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Creating a function to read a text file
function [mass,temp,time] = read(filex) a = dlmread(filex); mass = a(:, 3); temp = a(:, 2); time = a(:, 1);

environ 10 ans il y a | 0