Answered
Export to Excel
>> doc xlswrite

14 years ago | 0

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Answered
Kalman Filter
Please take a look: <http://www.mathworks.com/matlabcentral/fileexchange/?term=kalman Search MATLAB Central's File Exchange for...

14 years ago | 0

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Trying to use a Butterworth Filter
I would recommend that you stay in the time domain, and simply use the |filter| function. It is much simpler, and probably more...

14 years ago | 2

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Answered
matrix repetition
out = repmat(M,1,k);

14 years ago | 1

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computing SNR in matlab
# What is the amplitude of the sine wave? # Is the noise additive white Gaussian or some other type? If Gaussian, what is the ...

14 years ago | 0

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filter
Code: dt = 0.001; % sampling time (seconds per sample) Fs = 1/dt; % sampling rate (samples per second) ...

14 years ago | 0

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filter
Please try: dt = 0.001; Fs = 1/dt; Fnyq = Fs/2; Fco = fm + bw; wn = Fco/Fnyq; HTH.

14 years ago | 0

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Confuse on while and for loop with interval that starts with 0
Please try: A = 0:Np:720-Np; HTH. Rick

14 years ago | 0

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Answered
How to plot ECG and more...
Hi Lukas, # Please try using the Zoom tool from the figure window's toolbar to zoom in closer to the plot; I think you will se...

14 years ago | 0

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MATLAB CODE TO C CODE
# Do you have access to MATLAB Coder? # Which release of MATLAB are you using? # What operating system are you running?

14 years ago | 0

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How to plot ECG and more...
1. Please try the following: N = size(y,1); Fs = 360; dt = 1/Fs; t = dt*(0:N-1)'; figure; plot(t,y); 2...

14 years ago | 0

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Answered
frequency spectrum using fft function
It looks like you have a good start. Here are some additional functions that will help complete the assignment: >> doc fft ...

14 years ago | 0

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Error
Need more info

14 years ago | 0

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Matrices
Please try the following: X = [ 5 171 ; 5 300 ; 5 530 ; 5 700 ]; M = 173; N = 712; Y = zeros(M,N); idx = M*(X(...

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Answered
Using IFFT for obtaining time response of measured freq response
I modified the code I posted earlier to correct the scaling factor: Fs = 2e6; L = 1024; dF = Fs/L; f = (-Fs/...

14 years ago | 0

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Spatial Frequency
Please check this related question: <http://www.mathworks.com/matlabcentral/answers/13896 fftshift of an image> HTH.

14 years ago | 0

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Using IFFT for obtaining time response of measured freq response
Please check this related answer: <http://www.mathworks.com/matlabcentral/answers/15770 Scaling the FFT and the IFFT> HTH....

14 years ago | 0

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Using IFFT for obtaining time response of measured freq response
Do you have access to either the Control Systems Toolbox or the Signal Processing Toolbox? If so, which one (or both)?

14 years ago | 0

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Using IFFT for obtaining time response of measured freq response
Please try: Fs = 2e6; L = 1024; dF = Fs/L; f = (-Fs/2:dF:Fs/2-dF)'; s = j*2*pi*f; Fc = 50e3; alpha = 2*pi...

14 years ago | 0

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embedded matlab function
Please try: persistent j if isempty(j) j = 0; end j = j + 1; HTH. Rick

14 years ago | 1

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Simulink import matrix directly to matlab function block
There are two possibilities that I can think of: # Parameter # Data Store Memory *Parameter* You can specify the m...

14 years ago | 2

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Answered
indexing complex numbers
1. Please try the following code: A = 2.2631; a = a/A; 2. Then use the same approach as in the answer to this <http://...

14 years ago | 0

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Integrate in embedded matlab function
In order to integrate over time, you need to maintain a state variable (in this case, |xhat|) across multiple calls of your Embe...

14 years ago | 0

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Answered
indexing complex numbers
x = ( 1 + real(a) ) / 2; y = ( 1 - imag(a) ) / 2; b = [ y ; x ];

14 years ago | 0

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Answered
How to plot binary input ?
Please try: figure; stairs([a,a(end)]); HTH.

14 years ago | 2

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how to create discrete heaviside
N = 200; k = 1:N; p = 15; x = (k > p); figure; stairs(k,x);

14 years ago | 0

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secons max number in a vector
a = max(X); Y = X(X ~= a); b = max(Y);

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How to plot binary input ?
figure; stairs(a);

14 years ago | 0

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Audio signal max/average amplitude
>> doc wavread >> doc max >> doc min >> doc mean

14 years ago | 0

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Answered
how to solve quadratic equation?
Please try: x = zeros(2,1); d = sqrt(b^2 - 4*a*c); x(1) = ( -b + d ) / (2*a); x(2) = ( -b - d ) / (2*a);...

14 years ago | 1