What causes an "Argument to dynamic structure reference must evaluate to a valid field name" error please? code attached.

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rocio romero
rocio romero 2015-3-24
评论： rocio romero 2015-3-24
This is my code. I have matlab error saying "Argument to dynamic structure reference must evaluate to a valid field name. Can anyone see a problem please?
freq=-10:0.01:10;
FT2=(1./(2*pi*freq))*(sin.(2*pi*freq))+(1i*cos(2*pi*freq-1.));
Thank you =)

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回答（1 个）

David Young
David Young 2015-3-24
The dot after sin makes it look like a structure rather than a function call. Omit the dot.

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