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madhan ravi


2.899 total contributions since 2018

Communication through MATLAB is always better than arguing.

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Answered
i got this error
Same issue as your previous question. <https://in.mathworks.com/matlabcentral/answers/457478-i-received-this-error#answer_37143...

etwa 19 Stunden ago | 0

Answered
i received this error
You have a file named *rank.m* which *shadows* the *in-built* function *rank()* , move it from the *path* or *rename* it to avoi...

etwa 19 Stunden ago | 0

Answered
How to combine sections from Workspace into a new vector?
Yes ,simply use basic indexing: % 1) D = [A(1:500);B(1:500)] % example % 2) ith_row = 400; jth_row ...

etwa 22 Stunden ago | 1

| accepted

Question


Why does exit throw an error?
Error using exit Some kind of I/O error occurred when accessing database /var/folders/1c/p7c0w2dd0275_20nq4yjp1g00000gn/...

ein Tag ago | 0 answers | 0

0

answers

Answered
I appreciate if anyone could help me with this problem
Hint: Use *sort()*.

2 Tage ago | 1

Answered
How does Matrix(3002:2001:1999998)=0.4 works?
Matrix = [1:3;4:6;7:9] Matrix(1:2:end) = 0 % I suggest you to read about MATLAB indexing

2 Tage ago | 0

Answered
How to run a for-loop multiple times?
for k=1:100 for ... % some operation end end

2 Tage ago | 0

Answered
Double integration within finite limits
Simply use *integral2()*

2 Tage ago | 0

Answered
How to create an Array of vectors ??
Use a cell array as Stephen suggests: v1=1:3; v2=2:9; v3=2; A={v1;v2;v3}

3 Tage ago | 0

Answered
How to add two different set values .
A={4,5,3}; B={12}; [A{:}]+[B{:}]

3 Tage ago | 0

Answered
Undefined function or variable 'imtile'. is ti belongs to any toolbox?
<https://in.mathworks.com/help/matlab/ref/imtile.html> - *released in 2018b*

3 Tage ago | 0

Answered
Input function does not display the command in command window
Looks like you have made a file named *input.m* remove it from the path or rename it.

3 Tage ago | 0

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Answered
Collecting the outputs of a function within a for loop
time = 100; [A,B,C,D]=deal(cell(100,1)); % if the outputs are scalars then use zeros() instead of cell for ii=1:time [A{i...

3 Tage ago | 0

Answered
How do I create a unit vector with multiple rows
[14:16;12:14]

3 Tage ago | 1

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Answered
Extracting intervals from an array to create a new array
sum(reshape(array,[],5),2)

3 Tage ago | 0

Answered
Undefined function 'synchronize' for input arguments of type 'double'
https://in.mathworks.com/help/matlab/ref/timetable.synchronize.html#bvdhiyk_seealso - released in 2016b

3 Tage ago | 0

Answered
Indexing arrays to a new array
Use basic indexing: Array1(4:8)

3 Tage ago | 0

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Answered
How to find out whether there is a repetitive element in the columns of a matrix?
Repetitions_in_columns=true(size(a,2),1); for k = 1:size(a,2) Repetitions_in_columns(k)=any(sum(a(:,k)==unique(a(:,k)).')>...

4 Tage ago | 1

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Answered
How to Customize Sigma in subexpr()?
subs(eqn2,sigma,k1+k2)

4 Tage ago | 1

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Answered
matrix must agree how do i fix this
N has 13 values and theta has 7 values they should have same number of elements , you maybe interested in using linspace() for t...

4 Tage ago | 0

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Answered
how to change every value not equal to X in every rows
Wanted = zeros(size(matrix)); indices=sub2ind(size(matrix),1:size(matrix,1),Vector); Wanted(indices)=matrix(indices)

4 Tage ago | 0

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Answered
How do I restore a function I accidentally overrode (heaviside function)?
Simple *move* your custom made function from the path or *rename your function to some other name*.

4 Tage ago | 0

Answered
Problem using a counter in a for loop
Dg = 150;%mg Vd = 50;%L ka = 1.6;%h^-1 ke = 0.4;%h-1 t=1:0.1:24; C=zeros(size(t)); for k=1:numel(t) % loop f...

4 Tage ago | 0

Answered
Array of same characters using any method (via loop method or any method)
Use *repelem()* or *repmat()*

4 Tage ago | 0

Answered
how to create a text file ?
*dlmwrite()* you will find similar functions in the documentations.

5 Tage ago | 0

Answered
how to average data /6 rows ?
mean(reshape(data,6,[]))

5 Tage ago | 0

Answered
Concatenate a column of cells into a single array
cell2mat(X)

5 Tage ago | 0

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Answered
Failure in initial user-supplied objective function evaluation. FSOLVE cannot continue.
Note: Don't name your function set() will shadow the in-built function set(). sol=fsolve(@set1,[1,-1]) function F=set1(x) V...

5 Tage ago | 0

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Answered
Find index of a matrix of values into another matrix
Indices = cell(numel(A),1); for k = 1:numel(A) Indices{k} = find(B(k,:)==A(k)); end %celldisp(Indices) % Indices{1} rep...

5 Tage ago | 0

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Answered
How do I get the mean of always 4 columns
AA=permute(reshape(A.',4,1,[]),[2,1,3]); % where A is size 527040 X 16 AAA=squeeze(mean(AA)); % if you want to reshape it as ...

5 Tage ago | 0

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