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How to write the equivalent of an 'until loop' in matlab?
<http://www.mathworks.com/help/matlab/ref/while.html while loop>

10 years ago | 0

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How can i draw this type of graph?
x=[0 0.2 0.4 0.6 0.8 1] y=[0 0.02 0.04 0.06 0.08 0.1] cl='rgbkcmy' for k=2:numel(x) line([0 x(k) x(k) 0],[0 0 y(k) y(...

10 years ago | 0

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Change x-axis.
Use xlim and ylim

10 years ago | 0

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import data from file into an array
A=importdata('yourfile') or A=dlmread('yourfile')

10 years ago | 0

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Use variable in two different functions
[var1,...]=fcn1(...) get the variable var1 from fcn1 and use it in fcn2 [...]=fcn2(var1,...)

10 years ago | 0

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Answered
How to Compare value returned by regexp and another string ?
nameF='aa.txt'; cni =regexp (nameF, '.txt', 'split') The result is cni = 'aa' '' then strcmp(cni...

10 years ago | 0

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delete or keep special rows in a cell array based on specific column values
A={'summits,' '-1' '.' ' 3' 'greenhouse' ' 0' 'hello world' '-2' 'abandoned' '-2'} d=cellfun(@(x) regexprep(x,'[,...

10 years ago | 1

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Answered
Read many column from excel sheet
If you want all columns A = xlsread(filename);

10 years ago | 0

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how to merge tow matrix ?
C=A|B

10 years ago | 0

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Answered
How to generate a "special" signal in Simulink
<</matlabcentral/answers/uploaded_files/49036/answer6.jpg>> In this example, the period is 10.

10 years ago | 0

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Answered
Extract upper diagonal half in a large cell array and replace rest with NaN
A=[1 2 3 4; 5 6 7 8; 9 10 11 12;13 14 15 16] ii=ones(size(A)) idx=rot90(tril(rot90(ii)),-1); A(~idx)=nan

10 years ago | 3

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Answered
Matlab AND operation concerning intervals
t = -1: 0.01: 4; s=zeros(size(t)) idx=t>=0 & t<=3; s(idx)=(-2/3)*t(idx) + 2; plot(t,s)

10 years ago | 1

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surface plot with a matrix
<http://www.mathworks.com/matlabcentral/answers/123643#answer_131349>

10 years ago | 0

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How to create a matrix?
n=4 % in your case use n=101 out=tril(2*ones(n),-1)

10 years ago | 2

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Answered
how can plot complex data in matlab?
alpha=-pi:0.01:pi k=.5 x=k*cos(alpha); y=k*sin(alpha); fill(x,y,'r')

10 years ago | 0

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how to dislay red color of an image
A(:,:,2:3)=0 imshow(A)

10 years ago | 0

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Plot two graphs in one scope
export your two signals to workspace, then plot them in one figure

10 years ago | 0

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How does fmincon work?
Benho, have you read the documentation? There are many examples there: <http://www.mathworks.com/help/optim/ug/fmincon.html>

10 years ago | 0

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How do I multiply vector elements in the following fashion???
A=[18 44 20 55] B=[4 6] out=reshape(bsxfun(@times,A',B),1,[])

10 years ago | 0

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Answered
why not this code run?
Your code should be something like this N=10; n=0:N-1; h=[0 0 0 1 -2.7083 4.1861 -3.0451 0.73071 0 ]; x=[01.9021 -1.1756...

10 years ago | 0

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How do I find the sum of values in my cell array?
A={[1 2], [1 2 3 4 5],[0 8 7 6]} out=cellfun(@sum,A)

10 years ago | 0

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Answered
Error in converting Decimals from Degree Minutes Seconds
v=[33 31.15 0] % 31.15 is not allowed by Matlab, it should be an integer out=dms2degrees(fix([33 33.15 0]))

10 years ago | 1

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Answered
Elementwise subtraction .- does not work
bsxfun(@minus,[1 3; 4 5],[2 3])

10 years ago | 1

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Answered
How do I write an if statement within a function that tells the user there is an error if the input is not one of the 5 string variables accepted?
You can use ismember function s={'R' 'P' 'S' 'L' 'K'} a='K' ismember(a,s)

10 years ago | 0

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function to solve a binary matrix?
A =[0 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 1 0 1 1 1 1 1 1 1 1 0 1 0 1 1 1 0 1 0 0 0 0 0 0 0 1 1 1 1 1 0 1 0 1 1 1...

10 years ago | 0

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Answered
command for delaying matlab to execute a certain line
Matlab execute the lines of your code one after another. The if statement will be executed after the calculation of s(i). What i...

10 years ago | 0

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find 2 element in a 2x(number) matrix
A= [ 1,0 ; 5,1 ; 0,2 ; 5,5 ; 0,0 ; 12,-5] b=[0 0] idx=find(all(ismember(A,[0 0]),2)) %or idx=find(ismember(A,b,'rows'...

10 years ago | 0

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Answered
Why continuous and discrete transfer function have different results
You are not expecting to get to get the same result from the two transfer function, the sample time will cause some difference, ...

10 years ago | 0

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I having trouble with the for loop for the equation y=x^4-4x^3-6x^2+15. I need the x values to be -3 to 6
y =@(x) x^4 - 4*x^3 - 6*x^2 + 15 fplot(y,[-3 6])

10 years ago | 0

Answered
Change pzplot marker size
h=tf(1,[1 1 5]) pzplot(h) findobj(gca,'type','line') set(a(2),'markersize',7) set(a(3),'markersize',7)

10 years ago | 2

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