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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年以上前 | 0

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

9年以上前 | 2

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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年以上前 | 1

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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年以上前 | 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年以上前 | 1

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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年以上前 | 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年以上前 | 3

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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年以上前 | 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年以上前 | 1

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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年以上前 | 0

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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年以上前 | 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年以上前 | 0

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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年以上前 | 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年以上前 | 3

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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年以上前 | 1

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

9年以上前 | 0

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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年以上前 | 3

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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年以上前 | 1

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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年以上前 | 1

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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年以上前 | 4

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

9年以上前 | 0

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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年以上前 | 0

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

9年以上前 | 0

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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年以上前 | 1

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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年以上前 | 0

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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年以上前 | 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年以上前 | 0

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

9年以上前 | 21

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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年以上前 | 1

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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年以上前 | 0