An expression for choosing a value from the array automatically

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Priya 2014-5-19

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评论： Priya 2014-5-19

Hi,

I have an array of values and I need to frame an expression such that it chooses the value from the array automatically instead of me assigning a value from the array everytime. For example, if

A=[1 2 3 4]

B=[5 6 7 8]

while initialising A, B for the first time I choose A=2, and B=6 (A and B are selected with corresponding element) and next time A=4, B=8

Could someone please give some suggestions.

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采纳的回答

Yohai 2014-5-19

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在 MATLAB Online 中打开

The function

choose=@(arr) arr(ceil(rand*length(arr)))

chooses a random element of a vector. For example

choose([1 2 pi 8 i])
 3.1416

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Priya 2014-5-19

Thanks for your reply. Could you please replace with A and B in the equation you have mentioned. I don't get it completely.

Priya 2014-5-19

Thanks very much. It worked!

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MATLAB Language Fundamentals Matrices and Arrays Matrix Indexing

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