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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年以上前 | 0

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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年以上前 | 2

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

8年以上前 | 0

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

8年以上前 | 5

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

8年以上前 | 0

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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年以上前 | 0

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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年以上前 | 0

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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年以上前 | 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年以上前 | 0

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

8年以上前 | 0

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

8年以上前 | 1

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

8年以上前 | 0

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

8年以上前 | 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年以上前 | 1

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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年以上前 | 0

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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年以上前 | 0

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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年以上前 | 0

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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年以上前 | 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年以上前 | 13

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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年以上前 | 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年以上前 | 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年以上前 | 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年以上前 | 0

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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年以上前 | 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年以上前 | 0

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

8年以上前 | 0

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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年以上前 | 0

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

8年以上前 | 0

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

8年以上前 | 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年以上前 | 0