How can I get the max of the values of an array with Numeric Type "double"?

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I have an array that is filled with numbers like
a = [0.007 0.008 0.009]
In the workspace the value of a is 1x68 double.
I tried
max(a) : "Subscript indices must either be real positive integers or logicals."
or
realmax(a) / flintmax(a): "Input must be 'single' or 'double'"
So how can I get the maximum value? I want 0.009 as answer.
Thanks in advanced!

Accepted Answer

Adam
Adam on 19 Aug 2014
max(a) should work unless you have accidentally overwritten max by using it as a variable name. In that case it would try to use a as an index into your array called max.

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