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Can anyone please tell me how to calculate time complexity of PCA algorithm with MATLAB code?

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DEBAPRIYO on 10 Apr 2014

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Answered: Shashank Prasanna on 10 Apr 2014

Hi, Is anyone having the code to implement PCA and calculate the time complexity of PCA in terms of Big 0,omega or theta? For eg: What is the time complexity if we take 50,100,150,...training images? Is there any inbuilt function in MAT LAB for doing so???

Thanks in Advance

Regards Debapriyo

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Shashank Prasanna on 10 Apr 2014

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Take a look at the time complexity of SVD:

http://en.wikipedia.org/wiki/Singular_value_decomposition#Calculating_the_SVD

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