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Basic Looping Help Please?
Try using a |while| loop instead of a |for| loop.

11 years 前 | 0

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Help with Fourier transform fft
function [ X,f,t ] = mydft(x,Fs) % Assumes x is an N x 1 column vector % and Fs is the sampling rate. ...

11 years 前 | 1

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已回答
Help plotting parametric equations
MATLAB is case sensitive. So please try plot(X,Y); Also, please use |./| instead of |/| in the two equations.

11 years 前 | 4

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how can I apply low pass filter to a time series data
>> doc fdatool >> doc filter >> doc designfilt

11 years 前 | 0

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how to sketch the continuous-time signal for the given interval and sketch the corresponding discrete-time signal with a sampling period T=0.1s.
>> doc sin >> doc exp >> doc plot >> doc stem

11 years 前 | 0

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Programmatically create annotation with hyperlink
Here are a few links that should help: * <http://www.mathworks.com/help/simulink/ug/make-an-annotation-interactive.html#bt89s...

11 years 前 | 0

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synthesize PSD, scaling and units of ifft(X)
ASD = sqrt(PSD*fs/N);

11 years 前 | 0

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Why no APSK Modulation in matlab ?
Please check out this item on <http://www.mathworks.com/matlabcentral/fileexchange/31039-dvb-s2-getting-signal-constellations-an...

11 years 前 | 0

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i have a large matrix whose elements is 1 and 0; how to conver each row to decimal ,like bin2dec
N = size(Qbinnum,2); k = ((N-1):-1:0)'; v = 2.^k; cgroup = Qbinnum*v;

11 years 前 | 1

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Natural frequency by 'damp(sys)'
% Undamped natural frequency (radians per second): omega_0 = sqrt(10); % Attenuation coefficient (radians per sec...

11 years 前 | 1

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FFT not working on periodic data!?!?!?
Please try converting the source data to zero mean before taking the FFT: mu = mean(msum2(:)); msum2 = msum2 - mu; ...

11 years 前 | 0

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How do I compare two large matrices?
N = size(x,2); u = ones(1,N); d = abs(x - y*u); v = sort(d); z = v(1:10,:);

11 years 前 | 1

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Problem about Output in a txt file?How to solve it
Open the file with permission set to _append_: fileID = fopen('exp.txt','a');

11 years 前 | 0

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Simple Error: Too many input arguments
You need a pair of square brackets: answer=input(['You just told me that you are ', age, 'is that correct? -> '], 's');

11 years 前 | 0

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How to go from frequency response of simple delay to impulse response.
Fs = 2000; N = 12000; dF = Fs/N; f = (-Fs/2:dF:Fs/2-dF)'; tau = 5; H = exp(-1i*2*pi*f*tau); h =...

11 years 前 | 0

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How i can call a function 100 time?
for k = 1:100 ... ... end

11 years 前 | 0

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index exceed matrix dimensions
Please try changing the line for kb=1:size(y) to the following: for kb=1:size(z) Also, please correct th...

11 years 前 | 0

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Signals Question difference equation: Write a function y=diffeqn(a,x,yn1) which computes the output y[n] determined by the first-order system y[n]=ay[n-1]+x[n]
Here's a start. Create a file called |diffeqn.m| and insert the following code: function y = diffeqn(a,x,yn1) % ...

11 years 前 | 0

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How to convert matlab code to VHDL code?
<http://www.mathworks.com/products/hdl-coder/ HDL Coder>

11 years 前 | 0

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12 bit binary generator
You can easily write your own using the *<http://www.mathworks.com/help/simulink/slref/matlabfunction.html?searchHighlight=matla...

11 years 前 | 0

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Insert an identity matrix into a larger dimension of null matrix
N = diag([0 0 1 1 1])

11 years 前 | 0

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How to repeat the use of a function?
You need to create the figure and axes in the script before you call the function that does the plotting. You should pass the a...

11 years 前 | 0

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user input into simulink model
<http://www.mathworks.com/help/simulink/ug/model-callbacks.html Model Callback Functions>

11 years 前 | 0

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Definition and Computation of Power Spectral density with FFT
Why don't you use MATLAB to experiment with several different approaches on one or more very simple test signals, like pure tone...

11 years 前 | 0

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Calculating impulse response of RLC circuit
omega_0 = 1/sqrt(L*C); alpha = R/L; zeta = alpha/omega_0; Q = omega_0/(2*alpha); if alpha > omega_0 ...

11 years 前 | 0

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INTRODUCING A DEFINED INPUT IN SIMULINK
Use the <http://www.mathworks.com/help/simulink/slref/fromworkspace.html From Workspace> block.

11 years 前 | 0

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How to display the value of a variable used in a Constant (Simulink) block under it?
Please review the following: <http://www.mathworks.com/help/simulink/ug/block-properties-dialog-box.html Block Properties D...

11 years 前 | 0

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how to dynamically pause the matlab into debugging while execution by a Gui?
Create a callback function for the "go to debugging" checkbox. Inside the callback, include the command dbstop; When f...

11 years 前 | 1

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Flip the Bit vector
fliplr

11 years 前 | 0

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Trying to Create a Riemann Sum function from scratch, keep getting function error.
Please type the following at the MATLAB Command Prompt: F = @(x) 2*x; R = RiemannSum(F,1,10);

11 years 前 | 0

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