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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.

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

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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 ...

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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, ....

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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...

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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()...

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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)))

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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...

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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

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

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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))

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

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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]))

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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...

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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...

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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

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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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Adding AWGN to a Signal
If you have Communication Toolbox or Communication System Toolbox, you can use awgn http://www.mathworks.com/help/toolbox/com...

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How to find the position in cell arry?
D = {[1 2];[1 4];[1 6];[2 4];[2 5];} c = [1 6] [~,~,idx] = intersect(c,cell2mat(D),'rows')

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Chars with white space
You can try |deblank| http://www.mathworks.com/help/techdoc/ref/deblank.html

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need some help regarding uniform rectangular array in phased array system toolbox
Are you trying to do the beamforming or simply want to see the radiation pattern steered? Here is one simple example showing the...

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Facing some problem in uniform rectangular array
Hi Najam, The default operating frequency range of an isotropic antenna element is set to between 300 MHz and 1 GHz, as you c...

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Median Filtering
Take a look at the following doc page http://www.mathworks.com/help/toolbox/images/ref/medfilt2.html

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Multidimensional Array indexing to a single vector
sum(B(1:5,:)>10)>0

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x-coordinate of peaks in 1D plot
You can use |findpeaks| http://www.mathworks.com/help/toolbox/signal/ref/findpeaks.html

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two matrix problem
A=[1; 1; 1; 1; 1; -1 ;-1 ;-1 ;1 ;1 ;1 ;1 ;1]; B=[0.4; -0.2; -0.2; -0.25; 0.6; -0.3; 0.4; 0.2; 0.5; 0.3; -0.8; -0.9; 0.9]; ...

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