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How do I implement this function in Matlab ?

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Ynne
Ynne 2017-3-13
关闭： MATLAB Answer Bot 2021-8-20
Dear all,
I found this term (in attached image) in an equation and i couldn't understand it. it is different from the sum function. Could anyone help me understanding it and find its equivalent in Matlab.

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回答（2 个）

Roger Stafford
Roger Stafford 2017-3-13
1/sum(k:Y)
  1 个评论
Ynne
Ynne 2017-3-17
the same problem persits and it doesn't work with 1/sum(k,Y). The problem is that it is a term in a whole fucntion (in attached image)
Jan
Jan 2017-3-17
编辑：Jan 2017-3-17
If the Sigma does not mean the sum operator, its meaning must be explained in the context. Seeing the formula only, it is impossible to guess its meaning. Please examine the surrounding text or the previous equations.
Some terms later a lower case sigma occurres with equivalent indices. So perhaps it is simply a typo confusing upper and lower case.
  1 个评论
Ynne
Ynne 2017-3-17
Thanks for your comment but the problem is that this term isn't explained anywhere.

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