Answered
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...

9 years ago | 0

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Answered
Pausing the program for GUI
Use waitfor function

9 years ago | 0

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Answered
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...

9 years ago | 0

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

9 years ago | 1

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Answered
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)

9 years ago | 1

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

9 years ago | 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...

9 years ago | 0

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

9 years ago | 0

Answered
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,...

9 years ago | 0

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

9 years ago | 1

Answered
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...

9 years ago | 1

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

9 years ago | 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...

9 years ago | 0

Answered
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...

9 years ago | 1

Answered
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))

9 years ago | 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}

9 years ago | 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) ...

9 years ago | 0

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Answered
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 ...

9 years ago | 1

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Answered
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...

9 years ago | 0

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

9 years ago | 0

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

9 years ago | 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...

9 years ago | 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,

9 years ago | 0

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

9 years ago | 0

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

9 years ago | 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...

9 years ago | 0

Answered
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))

9 years ago | 0

Answered
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...

9 years ago | 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

9 years ago | 0

Answered
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);

9 years ago | 0