Answered
Scatter works but Plot gives error
You cannot just swap functions around and expect them to work: they have different calling syntaxes, so you need to call plot wi...

7 years ago | 0

Answered
How can I repeat same process for different matrices?
Of course there is an easy way: just use Indexing! Indexing is simple and very efficient: C = {boston,paris,beijing,...}; for ...

7 years ago | 0

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Answered
Saving the content of a cell array in different matrices automatically
I just skimmed through the BRAPH toolbox documentation from this website: http://braph.org/manual/introduction/ There is nothi...

7 years ago | 0

Answered
Not enough input arguments
integral(@f,-1,4) % ^^ the first input needs to be a function handle! https://www.mathworks.com/help/matlab/function-ha...

7 years ago | 0

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Answered
Create array address using for loop
Just use cell arrays: N = 5000; A = cell(1,N); B = cell(1,N); C = cell(1,N); for k = 1:N [A{k},B{k},C{k}] = imread('ff...

7 years ago | 0

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Answered
Fill gaps using Nan in for loop
Using two accumarray calls: >> data = [0,50;1,100;2,200;3,300;5,500;6,600;7,700;10,1000;0,30;2,20;6,40] data = 0 50...

7 years ago | 0

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Answered
could anyone help me how to display all the numbers inaddition to the numbers present.
>> A = [1,2;1,3;2,5;2,4;3,5;4,6;4,5] A = 1 2 1 3 2 5 2 4 3 5 4 6 ...

7 years ago | 0

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Answered
How can I find a row in a matrix in which all elements apply to a relational operator?
>> idx = all(A>0.25,2) % logical index idx = 0 0 0 1 0 0 >> find(idx) % subscript index a...

7 years ago | 0

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Answered
str2num not working on array
It would be simpler to use a structure (in this example I entered "Red" into the dialog box): >> S.red = [1,0,0]; >> S.green...

7 years ago | 0

Answered
Using strfind to find character index in word
>> HangWord = 'each'; >> Guess1 = 'e'; >> index = strfind(HangWord, Guess1) index = 1

7 years ago | 0

Answered
Variable in Text [Matlab]
You can use dynamic fieldnames: https://www.mathworks.com/help/matlab/matlab_prog/generate-field-names-from-variables.html Alt...

7 years ago | 1

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Answered
Error using accumarray First input SUBS must contain positive integer subscripts.
"I have already read all questions and answers about it here, cant figure out whats wrong." After reading many answers, you sho...

7 years ago | 0

Answered
Find cells that start with text and combine it with next cell
>> C = {'Test1';'10v';'20va';'30v';'50v';'65v';'Test2';'80v';'100v'} C = 'Test1' '10v' '20va' '30v' '...

7 years ago | 1

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Answered
Move selected column from a matrix to another
Replace the loop with this: idx = M(310,:)>=Xmin & M(310,:)<=Xmax & M(620,:)>=Ymin & M(620,:)<=Ymax; x(:,idx) = M(:,idx); Not...

7 years ago | 0

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Answered
Create variable from an excel entry
This should get you started (note that I named the variable out rather than Plot, as it is bad practice to use names which only ...

7 years ago | 0

Answered
Main diagonal operations problem
Using Roger Stafford's FEX submission randfixedsum (must be downloaded first): https://www.mathworks.com/matlabcentral/fileexch...

7 years ago | 2

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Answered
Mean matrix of different size matrices in one cell array
C = cellfun(@(m)mean(m,1),A, 'uni',0); B = cat(1,C{:})

7 years ago | 0

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Answered
Position of the left nearest one value in a vector
>> v = [0,0,1,0,0,0,1,1,1,1,0,0,1,1,1,0,0,1,0] v = 0 0 1 0 0 0 1 1 1 1 0 0 ...

7 years ago | 0

Answered
remove repeated rows to produce two new matrices
An old-fashioned way: a = [0.359883241;0.277815278;0.247562838;0.26249033;0.226989582;0.213157025;0.207067988;0.204762201] b =...

7 years ago | 0

Answered
Count how many elements are present inside arrays
>> A = hist(P,V) A = 2 2 2 1 2 1 2 2 2 2 1 1 1 >> B = hist(F,V) B = 2 1 2 1 2 0 2...

7 years ago | 0

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Answered
How to change function coefficients?
Following the guidelines given in the MATLAB documentation: https://www.mathworks.com/help/matlab/math/parameterizing-functions...

7 years ago | 1

Answered
mkdir and simulations problems
You could download my FEX submission nextname: https://www.mathworks.com/matlabcentral/fileexchange/64108-next-available-filena...

7 years ago | 1

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Answered
How to set up Vectorization properly?
>> reshape(bsxfun(@plus,(1:4).',0:16:16*3),1,[]) ans = 1 2 3 4 17 18 19 20 33 34 35 36 49 50 51 52 MATLAB ve...

7 years ago | 0

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Answered
Image display with uint8 and double
It seems that you have a "binary" image with values 0 and 1, which is stored as uint8. Because floating-point images are assume...

7 years ago | 1

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Answered
could anyone help me how to display the position of all the numbers present in matrix.
A simple method that includes all numbers (because zeros are also numbers): >> A = [1,2,3,0;5,6,0,8;9,10,11,12] A = 1 ...

7 years ago | 0

Answered
Finding the average by excluding some values
>> Area= [ 1 2 3 4 5 1 1 1 1 12 2 3 4 5 121 145 190 500]; >> mean(Area(Area>10)) ans = 193.6

7 years ago | 1

Answered
storing data in a matrix from a nested loop
No loops required: >> d1 = [0,0,2;0,0,-2] d1 = 0 0 2 0 0 -2 >> d2 = [0,0,15;0,0,13] d2 = 0 ...

7 years ago | 1

Answered
could anyone help me to calculate the euclidean distance for the matrix.
>> B = sqrt(sum(bsxfun(@minus,permute(A,[1,3,2]),permute(A,[3,1,2])).^2,3)) B = 0.00000 2.99851 2.56248 0.72363 2...

7 years ago | 0

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Answered
image the same and different
You swapped the order of the output arguments when you called the function. Here is the function definition: function [transfo...

7 years ago | 0

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Answered
Subtract raws of a matrix from an array
MATLAB versions prior to R2016b: >> C = bsxfun(@minus,Q,M) C = 9 4 11 5 7 5 6 9 9 9 11 7...

7 years ago | 0

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