Answered
extracting values from text files as matrix format
fid=fopen('file.txt') s=fgetl(fid) out={} while ischar(s) out{end+1}=regexp(s,'(?<=(ID:|Health:| Eccentricity:))\s+\S...

9 years ago | 0

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Answered
I want to find the x and y values of f(x,y) when f(x,y) is a minimum over x = -1:0.001:1 and y = -1:0.001:1.
x=-1:0.001:1 y=x [ii,jj]=ndgrid(x,y] z=sin(ii)+cos(jj) % Example [min_val,index]=min(z) xidx=x(index) yidx=y(index)

9 years ago | 2

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Answered
Matlab on iOS without computer session
<http://www.mathworks.com/videos/matlab-mobile-for-android-overview-72032.html>

9 years ago | 0

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How to remove trailing zeros while display any floating point number ?
sprintf('%g',X)

9 years ago | 5

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Matlab: element wise complex conjugate transpose?
d=c(:)'

9 years ago | 0

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Answered
Element wise multiplication to matrix in a "matrix array"?
m1 = [1 2;3 4]; m2 = [2 7; 8 9]; m3 = [9 7; 8 91]; m = [m1 m2 m3] [n1,n2]=size(m1) v=[1 2 3] M=reshape(m,n1,n2,[]) B=bs...

9 years ago | 0

Answered
A question on Scatter PLot ???
V1 = [1:10000;rand(1,10000)]; V2 = [1:10000;rand(1,10000)]; h = scatter(N, N , 'r*'); for lk = 1:10000 scatter(V1(1,lk...

9 years ago | 0

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Answered
How can I convert a 3D kxmxn matrix into n images directly?
for k=1:n Im=M (:,:, k) imwrite (Im,sprintf ('file% d', k)) end

9 years ago | 0

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How do I find list down values in a matrix that is larger than 0.75?
Out=B (B>=0.75)

9 years ago | 0

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Answered
[SIMULINK] Increment a variable
<</matlabcentral/answers/uploaded_files/58384/ans1.jpg>>

9 years ago | 0

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Answered
How to store strings into array?
names=fullfile('E:\abc\',{srcFiles.name})

9 years ago | 1

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Alternative to 'ismember' for structures
You can compare ismember([B.a],[A.a]) ismember([B.b],[A.b])

9 years ago | 0

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How to use linprog when i have variable ('A')= cell
A=cell2mat(A)

9 years ago | 0

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Add zero rows to a matrix
A=[1 5; 2 4; 4 9; 6 3] A(logical(accumarray(A(:,1),1)),:)=A

9 years ago | 1

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Answered
Matrix linear indexing: how to add more than once to the same index
A = [1 2 ; 3 4] idx=[1 3 1] for k=1:numel(idx) A(idx(k))=A(idx(k))+1 end

9 years ago | 0

Answered
I have a matrix of size 10*4, I want to read the matrix and after that want to read only second column, so can I get output like that??
A=rand(10,4) c2=A(:,2)

9 years ago | 0

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Answered
Activating help for sub function
mymean is not saved as a file, If you want to see the documentation inside mymean, you have to save it in a file mymean.m, or pu...

9 years ago | 0

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Answered
Using the struct function with a for loop
This is a very bad programming practice, please read this: <http://matlab.wikia.com/wiki/FAQ#How_can_I_create_variables_A1.2C_A2...

9 years ago | 0

Answered
Importing Data from excel across multiple sheets and filenames.
[~,sheet_name]=xlsfinfo('filename.xlsx') for k=1:numel(shhet_name) data{k}=xlsread('filename.xlsx',sheet_name{k}) end ...

9 years ago | 13

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Answered
Assign to certain positions of an entire cell array values from another cell array of the same size
a_part{1} = [1; 2; 8]; a_part{2}=[11; 31; 15]; a_part{3} =[2; 4; 8] a_whole = cell(1,3) out=cellfun(@(x) [x(1) 0 x(2) 0 x...

10 years ago | 0

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DO WE CONSIDER ZERO,S IN AVERAGE FILLING METHOD FOR PREDICTION
A=[2 3 0 0 4] sum(A)/nnz(A)

10 years ago | 0

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How can I call the variable from one MATLAB file into another?
In siddesh.m file Run the file ram.m, just type ram

10 years ago | 0

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Write Strings into a matrix
Use cell arrays A{1}=100 A{2}='text' or A={100 'text'} There is another alternative, a struct variable A...

10 years ago | 0

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Answered
Check the existence of a directory based on part of a string?
When you run f=dir(current_folder) You wil get a cell array of the content of your current folder, like f={'CL_C...

10 years ago | 1

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Reading image files from different folders ?
f=struct('name',{'D:\A1' 'D:\A3' 'D:\A3'}) % Example for k=1:numel(f) path=f(k).name p=dir(path) %do end

10 years ago | 0

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Help with if function
cste=10 A=[23 5 6 11 8 20 0 1] idx=A>cste

10 years ago | 0

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Answered
How do i use LQR control in state space form?
You have first to tell us what are the inputs and outputs of your system. Post the parameters representing your system, and post...

10 years ago | 0

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Insert underscore into the string
a = datestr(now,31) a=datestr(a,'yymmdd_HHMMSS')

10 years ago | 0

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Insert underscore into the string
a=[a(1:6) '_' a(7:end)]

10 years ago | 0

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how to find maximum value in some specific group range of matrix
A=[3 2 5 6; 4 2 5 5; 5 2 5 3; 6 2 5 4; 7 2 5 1; 8 2 5 1; 9 2 5 3; 11 2 5 1; 2 3 8 6; 4 3 8 3; 5 3 8 3] [ii,jj,kk]=unique(A(:,...

10 years ago | 0