Risposto
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) %-----------------------------------...

oltre 9 anni fa | 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)

oltre 9 anni fa | 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')...

oltre 9 anni fa | 1

Risposto
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')

oltre 9 anni fa | 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) )

oltre 9 anni fa | 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>

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 3

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Risposto
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...

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 1

Risposto
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 ...

oltre 9 anni fa | 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...

oltre 9 anni fa | 0

Risposto
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

oltre 9 anni fa | 0

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Risposto
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

oltre 9 anni fa | 1

Risposto
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)=[]

oltre 9 anni fa | 3

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Risposto
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))

oltre 9 anni fa | 1

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

oltre 9 anni fa | 0

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Risposto
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...

oltre 9 anni fa | 3

Risposto
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...

oltre 9 anni fa | 1

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Risposto
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'...

oltre 9 anni fa | 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?

oltre 9 anni fa | 4

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

oltre 9 anni fa | 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

oltre 9 anni fa | 0

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

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 1

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Risposto
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)

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 0

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

oltre 9 anni fa | 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...

oltre 9 anni fa | 1

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Risposto
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

oltre 9 anni fa | 0