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How do I capture the output from "display"
Hi Eric, If there is no native support to capture display, you can try |diary| function. Something like this: diary FILE...

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I cannot make a calculation with the command int
looks to me you have a singular point between -1 and 1 at 4752731968273649/18014398509481984. This might be why

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Any quick way to generate coordinates (by 3or more independent variables) and plot them?
These two are a little different. |ezmesh| treats the first 3 inputs as functions, so the fact you have three scalars there just...

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array of numbers to chars in separate cells
E = cellfun(@num2str,mat2cell(F,1,ones(1,4)),'UniformOutput',false)

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array of numbers to chars in separate cells
E = mat2cell(F,1,ones(1,4)])

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How to define transfer function into the tf or ss format
This is already in state space form. Your A,B,F are just A,B,C. Your D is 0 http://lpsa.swarthmore.edu/Representations/SysRep...

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Matlab indexes
Links below could be useful http://www.mathworks.com/help/techdoc/ref/colon.html http://www.mathworks.com/help/techdoc/ref...

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Issue with 3Sum problem!
Your line for T = @(a,b,c) (a + b + c) does not really specify a loop. What you want is to find some a, b, and c whose s...

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Filter implementation to ECG signal
Since you want to use a filter, the first thing you need to do, before running any command, is to come up the parameters, such a...

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find all zeros
You can use |roots|, for example for x^2-1=0 roots([1 0 -1]) http://www.mathworks.com/help/techdoc/ref/roots.html

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subplot axis scaling
You didn't specify x axis, that's why the x axis becomes the indices. Just do plot(y1,a)

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In an assignment A(I) = B, the number of elements in B and I must be the same.
I don't quite know what your intention is, but the left side is a scalar and the right side in general is a vector, could be sca...

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Undefined function or variable when using load and trying to operate with variables
The first variable in |save| is the file name, not the variable name. So in each of your files, the variable name is still |z|. ...

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alternative to diff(X)
x = 1:10; x(2:end)-x(1:end-1)

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day of the week in a month
You want to use if any(x==[2 9 16 23 30]) and so on. Also at the bottom, you seem to have an extra |else| hanging around...

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Vectorization of this loop
x1=0; y1=1; inj_x=round(xwidth/2.0); inj_y=round(ywidth/2.0); [x2,y2] = ndgrid((1:ywidth)'-inj_y,(1:xwidth)'-inj_x...

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Why my butterworth low pass filter doesn't work?
I don't understand. I modified your code a bit to do * Use filter operation in time domain * Use 200Hz as cutoff frequency ...

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Why my butterworth low pass filter doesn't work?
Please format your code. But just a quick note, if you set cutoff frequency at 300Hz, the 300Hz component will not be eliminated...

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help using fgetl function???
you should use while ~feof(fid)

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envelope function
For a signal x, you can use the following code to get the envelope t = 0:0.01:1; x = exp(-t).*sin(2*pi*10*t); plot(t,...

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Contour a log fuction with n contour levels
There are negative numbers in log so the result may be complex. In addition, there is zero in log, so log(0) gives infinity, whi...

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Levinson algorithm
Hi Shweta, It is true that the algorithm only solves n unknowns, but if you look at the reference page below, the returned re...

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Traping Error user input
Is this what you want? n=inputdlg('Please input a number more than or equal one:') while isempty(str2num(n{1})) || str2n...

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How do I create a vector with a multiply sequence?
Another one flipud(100*diag(vander(repmat(0.7,1,10))))

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How do I create a vector with a multiply sequence?
Just for fun filter(1,[1 -0.7],[100 0 0 0 0 0 0 0 0 0])

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slicing multi-dimensionsal arrays
In your code, you only passed on data input to |cat|. You can try the following cat(1,ary3d(2,:,1),ary3d(2,:,2),ary3d(2,:,3)...

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Plotting 2 Matrices
You can try surf(matrix1,matrix2) and see if that's what you want.

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loglog graph analyses
loglog uses 10 based logarithm for both X and Y, so if the resulting figure is a straight line and you want to calculate the slo...

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Fourier Transform of Swept Sine Signal
Looks to me within 2 seconds your signal sweep from 0 to 800Hz, so it's not really a 400 Hz sweep. Given your signal is real, it...

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The question about signal power in watts
I assume your signal, |y|, is the voltage signal in volts, and the load is 1ohm, then the power is 0.5 watts Here is an examp...

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