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Best way to remove UNWANTED 50Hz from the signal vector
You can use a notch filter. See documentation and example below http://www.mathworks.com/help/toolbox/dsp/ref/iirnotch.html ...

presque 14 ans il y a | 1

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How does one model a rotating antenna for an ATC radar in phased array?
Hi Keketso, Phased Array System Toolbox currently does not have built in support for rotating motion. However, it is possible...

presque 14 ans il y a | 1

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How to tell if two signals are similar
Perhaps you are looking for a scalar quantity to represent the similarity between two signal as is? If that's the case, you basi...

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Creating a N-Dimentional matrix from a 2 Dimentional matrix
a = [1 2 ;3 4] b = reshape(repmat(a(:),1,100),[size(a) 100]);

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Replace nan's with blanks
B(cellfun(@isnan,B)) = {[]}

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how do i run my signal through a filter i designed with filter design tool
Please format your code in your question. I'm not sure what you mean by plot(h,'nik') but if you want to filter the sign...

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Convolution using filter: implementation
Your b and a represents an IIR filter while your g represents an FIR filter. Depending on what your original coefficients are, o...

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for loop in matrix names (Syntax)
try eval(sprintf('ret%d',g)) But please read the following link http://matlab.wikia.com/wiki/FAQ#How_can_I_create_var...

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How can I convert values in a cell array into a form that can be used for calculations?
x = cellfun(@str2num,y,'UniformOutput',false)

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Can any one please help me with the following code?
As Walter mentioned, ' operator is conjugate transpose. As to this case, because k is real, it is simply transpose to make it a ...

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How to Determine the impluse response and provided a plot of the frequency response of the designed filter. by using Matlab software
I would suggest you to read the documentation for several functions. Simply type these commands in your command window doc ...

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Delete a plot in GUI rutine
Use set(h2,'YData',y) to replace the line.

environ 14 ans il y a | 1

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Creating vector of all numbers in a cell array.
You can do AContents = [A{:}]

environ 14 ans il y a | 1

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Why did I receive this error with inline
I see several issues: # You should use + instead of .+ # The error is due to the fact that there are three variable in your ...

environ 14 ans il y a | 0

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Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

environ 14 ans il y a

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Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

environ 14 ans il y a

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Zero Padding Problem with FFT Square Wave Pulse
R1 is correct. If all you want is to do zero padding and then FFT, you can do it by specifying the number of FFT points in fft()...

environ 14 ans il y a | 1

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I have a 20x1 vertical matrix. I want to take the averages of the pairs in order and display them in another matrix. How?
x = rand(20,1); y = transpose(mean(reshape(x,2,10)))

environ 14 ans il y a | 1

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I am using a butterworth filter (scripted below) and the script jams with this error response
Hi Katherine, Is the result of which butter same for both installations? It sounds like you have a custom |butter| on...

environ 14 ans il y a | 0

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FFT is finding a max amplitude at 0 Hz
You need to remove the DC component first. Just do x = x-mean(x) or x = detrend(x) before applying FFT

environ 14 ans il y a | 0

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Question regarding matrix manipulation
Y2 = interp1(X1，Y1，X2，'nearest')

environ 14 ans il y a | 0

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how to delete specific entries (based on a condition) in an array?
You are changing a every time when you found an element less than 18, so when the iteration gets to the original array length, i...

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Index Non-Empty Cells in Cell Array
x = {1,[],[],[]}; find(~cellfun(@isempty,x))

environ 14 ans il y a | 33

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Displaying loop index in a string
input(sprintf('input value for ele(%d)',k))

environ 14 ans il y a | 2

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Removing NaN from cell array
x = {'xy','yz',nan} x(cellfun(@(x) any(isnan(x)),x)) = []

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Simple question regarding sorting
x = [1 3 5 7 9]' y = [1 2 3 4 5]' unique(sort([x;y]))

environ 14 ans il y a | 0

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What is the flag button on questions for?
It is explained here: * <http://blogs.mathworks.com/community/2012/06/27/new-features-in-matlab-answers/> * <http://www.mat...

environ 14 ans il y a | 1

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How can I obtain the coordinates(x,y) from my plot?
You can try to get the handle of the plotted object and then get XData and YData out of it. Here is an example h = plot(1:1...

environ 14 ans il y a | 1

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coverting z transform transfer function equation into Difference equation
http://www.mathworks.com/matlabcentral/answers/21054-can-matlab-give-me-difference-equation-from-transfer-fucntion

environ 14 ans il y a | 0

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FInding duplicates in matrices
In your program, your element under test is board(jj,ii) while in the result, you are using board(ii,jj),so they are not consist...

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