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Error while applying fminunc : fun must be a function

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Tushar Shinde
Tushar Shinde 2017-1-31
回答： Walter Roberson 2017-1-31
Hi, I have just started learning and using matlab functions. I wanted to minimize simple quadratic function as follows:
fun = x.^2
x0 = 10
[x, fval] = fminunc(fun, x0)
I was expecting o/p as x=0 fval=0 but instead it gave me: fun should be a function or string or inline....
It is such a simple script. Where am I going wrong?
Thanx in advance :)

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回答（1 个）

Walter Roberson
Walter Roberson 2017-1-31
fun = @(x) x.^2

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