Answered
I'm trying to generate a code that calculates the fourier series coefficients of a period.
Fs = 1000; dt = 1/Fs; t = (0:dt:10-dt)'; N = size(t,1); x = ones(N,1); x(t>=5) = -0.5; X = fftshif...

12 years ago | 1

Answered
TF function on Simulink
Multiplication is not the same thing as convolution. This approach will not work. You need to write a function that performs c...

12 years ago | 0

Answered
Matlab simulation problem about ifft
Let me introduce some commonly used terminology that I think will help you out. Based on what you are saying, you want to have ...

12 years ago | 0

Answered
Problem with for loop
No need for a |for| loop, no need for square brackets. Also, might as well pull common scale factor out using distributive prop...

12 years ago | 0

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Answered
Matlab simulation problem about ifft
Here is a start: dt = 1e-9; Fs = 1/dt; N = 10; t = dt*(0:N-1)'; x = (rand(10,1) > 0.5); X = fft(x)...

12 years ago | 0

Answered
Matlab simulation problem about ifft
In your code, I see where you have defined _A_ as a function of _X_, but I do *not* see where you have defined _x_ as a function...

12 years ago | 0

Answered
what is difference between fft(x) & fft(x,n)
Compare: >> dF_1 = fs/length(z) with: >> dF_2 = fs/length(z1)

12 years ago | 0

Answered
How do I insert many variables(upto 100) into one function?
B = zeros(100,1); B(1) = 1; B(2) = 2; B(3) = 4; B(4) = ... B(5) = ... ... ... B(100) = ... save('...

12 years ago | 0

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Answered
How can I plot the variability of a large data set?
>> doc hist >> doc boxplot >> doc mean >> doc std >> doc min >> doc max

12 years ago | 0

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Answered
plot each 20th spectra
plot(rat_Approach(:,3960:20:4604));

12 years ago | 0

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Solved

Sum of odd numbers in a matrix
Find the sum of all the odd numbers in a matrix. Example x = [2 3 5 7 1 4 11] y = 27

12 years ago

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Edges of a n-dimensional Hypercube
Return the number of edges on an <http://en.wikipedia.org/wiki/Hypercube _n_-dimensional hypercube> (with an integer n ≥ 0). ...

12 years ago

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Number of vertices of a hypercube
Return the number of vertices of a n-dimensional hypercube.

12 years ago

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12 years ago

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Generate pi using logarithm

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12 years ago

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13 years ago

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Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

13 years ago

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The Dark Side of the Die
It is well-known that opposite sides of a classic hexahedral die add to 7. Given a vector of dice rolls, calculate the sum of th...

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Output any real number that is neither positive nor negative
Output any real number that is neither positive nor negative

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Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

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If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

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13 years ago

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Convert Fahrenheit to Celsius degrees.

13 years ago

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Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

13 years ago