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simone zappalà


Last seen: 約2年 前 |  2022 年からアクティブ

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how to calculate beta
i've 51 stocks with daily yields, i want to know the BETA of my portfolio, someone can help? i know what is the formula and the ...

約2年 前 | 0 件の回答 | 0

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質問


choose multiple functions from a larger group
I've 7 function, i want to be able to choose several of them, I know with if and swich i can pick only one of these seven, i nee...

約2年 前 | 3 件の回答 | 0

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質問


how to take a value from multiple arrays defined from an expression.
I've 7 arrays(may call them A,B,C to G), each one contain 130 rows and 1 column with different numbers, these numbers are divide...

約2年 前 | 1 件の回答 | 0

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質問


max value of N arrays
I've several arrays, all are 130 rows and 1 column with different numbers created from a for cycle, so every row is the result o...

約2年 前 | 2 件の回答 | 0

2

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質問


copy and paste datas from two Arrays into one
I want to create an array containig datas from two different arrays (with the same colmuns but different rows). A=[3 4 6] B=[5...

約2年 前 | 1 件の回答 | 0

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質問


HOW TO GROUP THE ELEMENTS OF AN ARRAY
I've a 252*51 array, i want to group it three-by-three elements and do mean of these groups one-by-one, creating a new array 84*...

約2年 前 | 3 件の回答 | 0

3

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HOW CAN CREATE A MATRIX FROM A SINGLE ROW?
I have 12 elements distributed on a single row, i've to put them on a 3x4 matrix, how i do that?

2年以上 前 | 1 件の回答 | 0

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