the exp function does not work

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Sebastiano delre
Sebastiano delre 2014-4-24
评论： Sebastiano delre 2014-4-24
It may look like a simple problem but I cannot get my way through. When using exp(2), I get an "Index exceeds matrix dimensions" error. I have always used the exp function, why now I get this error?
Thank you for your help, Alessio.

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per isakson
per isakson 2014-4-24
编辑：per isakson 2014-4-24
>> exp(2)
ans =
7.3891
I guess exp is "shadowed" on your system. Run
>> which exp
built-in (C:\Program Files\MATLAB\R2013a\toolbox\matlab\elfun\@double\exp) % double
What do you get?

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