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# ali yaman

Last seen: 1 year ago Active since 2020

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With PCA, how much of the photo did i compress?
By the way is it possible to compress my original RGB photo which is asigned to variable a, without reduce it to just green colu...

1 year ago | 0

Question

With PCA, how much of the photo did i compress?
Hi all, Here my own PCA algorithm code that i create by myself by inspiring Prof. Andrew Ng's ML lectures. It works very well....

1 year ago | 3 answers | 1

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Why I get two different covariance matrix?
What about the second question!! Just like covarince matrixe we can get two different eigenvectors. For example; sigma=[6 2;2...

1 year ago | 0

Question

Why I get two different covariance matrix?
Hi all, Prof. Andrew Ng in his ML class says that we can calculate covariance matrix as: 1/m*X'*X . Where; examples are in r...

1 year ago | 2 answers | 0

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How do I plot a circle with a given radius and center?
I think there is no need to any of the above solutions, you can draw a circle by one of the following codes. Let's say radius i...

1 year ago | 0

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why i get 'complex double' type?
Hi, i have below code. When run it i get kro as complex double. Do you have any idea about why it is complex number, and how i...

2 years ago | 1 answer | 0

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Why matlab gives graph of exp(1/x) and exp(-1/x) wrong?
when trying to find graph of exp(1/x) and exp(-1/x) i am getting graphs that definitely not belong to exp(1/x) and exp(-1/x). m...

2 years ago | 1 answer | 0