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...

8 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)

8 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>

8 years ago | 0

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

8 years ago | 5

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

8 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...

8 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...

8 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

8 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)

8 years ago | 0

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

8 years ago | 0

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

8 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])

8 years ago | 0

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

8 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

8 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

8 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)

8 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...

8 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...

8 years ago | 0

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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 ...

8 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...

8 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)

8 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

8 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...

8 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...

8 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

8 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

8 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...

8 years ago | 0

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

8 years ago | 0

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

8 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(:,...

8 years ago | 0