试用软件

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

3 次查看（过去 30 天）

显示更早的评论

DEBAPRIYO 2014-4-10

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/125317-can-anyone-please-tell-me-how-to-calculate-time-complexity-of-pca-algorithm-with-matlab-code

回答： Shashank Prasanna 2014-4-10

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

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

回答（1 个）

Shashank Prasanna 2014-4-10

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/125317-can-anyone-please-tell-me-how-to-calculate-time-complexity-of-pca-algorithm-with-matlab-code#answer_132998

Take a look at the time complexity of SVD:

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

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

类别

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

在 Help Center 和 File Exchange 中查找有关 Dimensionality Reduction and Feature Extraction 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Translated by

试用软件