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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...

alrededor de 10 años hace | 0

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Pausing the program for GUI
Use waitfor function

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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...

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

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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)

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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-...

alrededor de 10 años hace | 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...

alrededor de 10 años hace | 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)

alrededor de 10 años hace | 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,...

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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 ...

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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...

alrededor de 10 años hace | 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)

alrededor de 10 años hace | 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...

alrededor de 10 años hace | 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...

alrededor de 10 años hace | 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))

alrededor de 10 años hace | 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}

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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) ...

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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 ...

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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...

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

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

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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...

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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

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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...

alrededor de 10 años hace | 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))

alrededor de 10 años hace | 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...

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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);

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