Question


AR prediction leads fitted data
I am using aryule to construct a predictive AR filter. After I filter the data, the predicted values "lead" the actual data by o...

2 years ago | 0 answers | 0

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Question


What is the difference between filter and conv?
I am trying to design a predictive AR filter using aryule. The code looks like this: h = aryule(signal,order); est_signa...

2 years ago | 2 answers | 0

2

answers

Answered
Why is my loop only running 217 times when I expect it to run 649 times? See the script below
In your second script you assign the counter variable 'p' to be a single value, length(m(1,:)), which is simply 649. So Matlab c...

2 years ago | 0

Answered
How to solve the double summation of the given expression
A blunt force method would be to have two for loops, one nested in the other. In the inner for loop, sum over the 'i' variables,...

2 years ago | 0

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Matlab gradient does not follow exact numerical formula
When the numerical gradient is computed, Matlab uses forward differences for the end points, and uses central differences for t...

2 years ago | 1 answer | 0

1

answer

Answered
How does MATLAB compute the covariance of a complex array?
So I answered my own question almost a minute after asking it. Turns out the transpose command, ', is actually the conjugate tra...

2 years ago | 0

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How does MATLAB compute the covariance of a complex array?
I'm working with a complex array and looking at the covariance matrix and the relation matrix. (The explanation of these matrice...

2 years ago | 1 answer | 0

1

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Question


Sign difference between coeff=pca(X) and [~,~,v] = svd(X)
I am experiencing sign differences between my computations for principal component analysis using the pca function and the svd f...

3 years ago | 1 answer | 0

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