Beantwortet
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...

etwa 12 Jahre vor | 1

Beantwortet
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...

etwa 12 Jahre vor | 0

Beantwortet
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 ...

etwa 12 Jahre vor | 0

Beantwortet
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...

etwa 12 Jahre vor | 0

| akzeptiert

Beantwortet
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)...

etwa 12 Jahre vor | 0

Beantwortet
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...

etwa 12 Jahre vor | 0

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

etwa 12 Jahre vor | 0

Beantwortet
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('...

etwa 12 Jahre vor | 0

| akzeptiert

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

etwa 12 Jahre vor | 0

| akzeptiert

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

etwa 12 Jahre vor | 0

| akzeptiert

Gelöst

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

mehr als 12 Jahre vor

Gelöst

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). ...

etwa 13 Jahre vor

Gelöst

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

etwa 13 Jahre vor

Gelöst

Create a Multiplication table matrix...
Create a product table in this format: P = [ 1 2 3 4 5; 2 4 6 8 10; 3 6 9 12 15; 4 8 12 1...

etwa 13 Jahre vor

Gelöst

Generate pi using logarithm
Generate pi using logarithm

etwa 13 Jahre vor

Gelöst

Given a 4x4 matrix, swap the two middle columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

etwa 13 Jahre vor

Gelöst

Determine the number of odd integers in a vector
Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

etwa 13 Jahre vor

Gelöst

Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...

etwa 13 Jahre vor

Gelöst

Generate N equally spaced intervals between -L and L
Given N and L, return a list of numbers (in ascending order) that divides the interval [-L L] into N equal-length segments. F...

etwa 13 Jahre vor

Gelöst

Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

etwa 13 Jahre vor

Gelöst

Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

etwa 13 Jahre vor

Gelöst

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...

etwa 13 Jahre vor

Gelöst

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

etwa 13 Jahre vor

Gelöst

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...

etwa 13 Jahre vor

Gelöst

Sum of diagonal of a square matrix
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

etwa 13 Jahre vor

Gelöst

Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

etwa 13 Jahre vor

Gelöst

Multiply 2 numbers
Very easy, you just have to multiply 2 numbers but you cannot use the following signs (*, /, - ,^) ,mtimes , times, cross, pro...

etwa 13 Jahre vor

Gelöst

Fahrenheit to Celsius converter
Convert Fahrenheit to Celsius degrees.

etwa 13 Jahre vor

Gelöst

Perimeter
Given a sequence of points forming a closed path (first and last points are coincident) return the perimeter value. For example...

etwa 13 Jahre vor

Gelöst

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

etwa 13 Jahre vor