Answered
How to make a loop for an array of ands including cell arrays
%------Example-------------------- A=cell(1,5) A=cellfun(@(x) rand(10,9,8),A,'un',0) %-----------------------------------...

9 years ago | 0

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Answered
How to trim two vectors of differing lengths
n=min(numel(A),numel(B)) A=A(1:n) B=B(1:n)

9 years ago | 2

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Answered
Separate values for year and month
Look at this example: d1=datenum('1997-01-01 00:00','yyyy-mm-dd HH:MM'); d2=datenum('2016-08-31 00:00','yyyy-mm-dd HH:MM')...

9 years ago | 1

Answered
How can I find the first index of an 1D-array at which all following Elements are smaller the a specific value?
A=[1 2 5 6 4 7 2 3 5] b=8 id=find(A>b,1,'last')

9 years ago | 0

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How do I add NaNs to each of a set of vectors of different lengths to make them all the same length please?
v1=(1:5)'; v2=(1:8)'; v3=(1:7)' n=10 A={v1 v2 v3 } out=cell2mat(cellfun(@(x) [x;nan(n-numel(x),1)],A,'un',0) )

9 years ago | 1

Answered
I have matlab .m code that I want to convert to simulink. How?
You can use Matlab function block <http://www.mathworks.com/help/simulink/slref/matlabfunction.html>

9 years ago | 0

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How to replace multiple strings with another string
str='Hello girl and cat' out=regexprep(str,'girl|cat','boy') %If you want to use strrep str='Hello girl and cat' out...

9 years ago | 3

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Answered
Manipulate time series matrix
M=[1997 01 01 00 00 0.5 1997 01 01 00 15 0.2 1997 01 01 00 30 0.0 1997 01 01 00 45 0.0 1997 01 01 01 00 0.0 1997 01 01 01...

9 years ago | 0

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How to remove additional rows from a matrix?
|b(j,2) is not defined for j=max(length(a),length(b))| What are you expecting as result for this small example: a=[4 1;5...

9 years ago | 1

Answered
How to plot a first order differential equation with singular point?
Save this file as odef.m function dx=odef(t,x) dx=zeros(2,1) dx(1)=x(2); dx(2)=(-5*x(2)-3*x(1))/(1-x(1)^2) Then call ...

9 years ago | 0

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Answered
Changing elements with a condition
s='00000011010000' ss='1' out=regexprep(s,'(1.+)','${repmat(ss,1,numel($1))}') %or simply s='00000011010000' idx=fi...

9 years ago | 0

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Generate a set of 1000 elements where each element is a set of 40 elements
A=cell(1,1000) B=cellfun(@(x) randi(10,1,40),A,'un',0) % Example

9 years ago | 0

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Answered
why its not work
If you want to do it with a for loop n1=5; for x=50:5:200; y=2*pi*n1./x; scatter(x,y); hold on end

9 years ago | 1

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Removing elements in an array
A=[1 2 3 4] B=[5 10 15 20] c=[10 20] %numbers to remove from B idx=ismember(B,[10 20]) A(idx)=[]

9 years ago | 3

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Answered
How do I get the closest values of an array stored for a particular input ?
A = [180 170 160 150 140 130] b=165 a1=min(A(A>b)) a2=max(A(A<b))

9 years ago | 1

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Answered
How to convert a string to a 8 bit Ascii one row binary vector?
s='abcd' p=dec2bin(double('abcd'),8)' out=p(:)'

9 years ago | 0

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Answered
String elements of a cell as a name to the array elements of another cell
What is the aim of doing this? this is not recommended, read this <http://matlab.wikia.com/wiki/FAQ#How_can_I_create_variables_A...

9 years ago | 3

Answered
Reshaping / regrouping cell arrays?
*Edit* A=num2cell(reshape(1:12,3,4)') %-----Example--- [n,m]=size(A) k=3 p=fix(n/k) AA=A(1:p*k,:) B=mat2cell(cell2mat...

9 years ago | 1

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Answered
How to read the LAST sheet in excel
To get the name of the last sheet use xlsfinfo [~,name]=xlsfinfo('file.xlsx') last_sheet=name{end} N=xlsread('file.xlsx'...

9 years ago | 1

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Answered
How to Write all of an if-statement in a Single Lline?
if A ==1 B = 2, else B = 3, end But what is the aim of this?

9 years ago | 4

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Answered
Convert 2D into 3D matrix
reshape(A(:),16,[])'

9 years ago | 0

Answered
finding elements in a matrix`
A= [1 3 10; 1 8 10; 2 4 9] x=[ 2 9] for k=1:size(A,1) idx=all(ismember(x,A(k,:))); if idx break end end idx

9 years ago | 0

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Answered
Can I create array which its elements also arrays ?
Use cell arrays A={[1 2 3] [4 5 6]}

9 years ago | 0

Answered
Shuffle a vector of repeated numbers so the numbers do not repeat
*Edit* fam1_1 = [1,1,1,2,2,2,3,3,3,4,4,4] ii=unique(fam1_1) n=numel(fam1_1) m=numel(ii) p=numel(fam1_1)/numel(ii) x=i...

9 years ago | 1

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Answered
Function to create duplicate obs based on the value of a string variable
str='abc-def-keh-ABC' a=regexp(str,'[a-z]+','match') out1=numel(a)

9 years ago | 0

Answered
counter increment based on sample time
Can you explain how to identify if a variable is high or not? what kind of signal gives you this status? If you provide this si...

9 years ago | 0

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How can I import a file that includes both string and numerical data?
fid=fopen('file.txt') s=textscan(fid,'%s','headerlines',1,'delimiter','\n') fclose(fid) out=[s{:}] out=out([1 5:en...

9 years ago | 0

Answered
save a matrix to excel
xlswrite('filename.xlsx',yourmatrix)

9 years ago | 21

Answered
How can I combine 100+ matrices into a combined array for indexing
Use cell arrays M={A1,A2,A3,A4,A5} save filename M To get the matrix for project N°5 A=M{5} Since your matrices...

9 years ago | 1

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Answered
how to generate a RANDOM matrix of 0's and 1's such that the number of 1's in any column is the same.
n=6 m=2 A=zeros(n) A(cell2mat(arrayfun(@(x) randperm(n,m)+6*x,0:n-1,'un',0)))=1

9 years ago | 0