已回答
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')...

8 years 前 | 1

已回答
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')

8 years 前 | 0

已回答
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) )

8 years 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>

8 years 前 | 0

已回答
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...

8 years 前 | 3

| 已接受

已回答
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...

8 years 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...

8 years 前 | 1

已回答
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 ...

8 years 前 | 0

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

8 years 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

8 years 前 | 0

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已回答
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

8 years 前 | 1

已回答
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)=[]

8 years 前 | 3

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已回答
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))

8 years 前 | 1

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

8 years 前 | 0

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已回答
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...

8 years 前 | 3

已回答
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...

8 years 前 | 1

| 已接受

已回答
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'...

8 years 前 | 1

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已回答
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?

8 years 前 | 4

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

8 years 前 | 0

已回答
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

8 years 前 | 0

| 已接受

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

8 years 前 | 0

已回答
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...

8 years 前 | 1

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已回答
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)

8 years 前 | 0

已回答
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...

8 years 前 | 0

已回答
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...

8 years 前 | 0

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

8 years 前 | 21

已回答
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...

8 years 前 | 1

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已回答
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

8 years 前 | 0

已回答
question on addition of numbers.
when I run a=11.699124064044344*2^192 b=-17.935606820123120*2^254 c=a+b isequal(c,b) c and b are equal, that's why...

8 years 前 | 0

已回答
Changing header in a set of files from the directory
*EDIT* f='C:\Users\mal\Documents\MATLAB' % your folder containing your text files fi=dir(fullfile(f,'*.txt')) file={fi.n...

8 years 前 | 1

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