variance of portfolio as objective function

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Sameer
Sameer 2014-5-19
回答： Star Strider 2014-5-19
how would be able to set up the variance of a portfolio as an seperate objective function?
I have the data read in from excel already

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回答（2 个）

Star Strider
Star Strider 2014-5-19
Image Analyst
Image Analyst 2014-5-19
What do you mean? There already is a built in function for variance called var(). Why do you need to make your own function for that?

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