What would you do?

2 次查看(过去 30 天)
Kye Taylor
Kye Taylor 2013-7-3
Suppose you have a string like
rhs = 'x*cos(x)/(t+1)';
and that you want to create a function handle... would you do
fHandle = str2func(['@(t,x)',rhs])
or
fHandle = eval(['@(t,x)',rhs]);
or
?
Can you explain why?

采纳的回答

Chad Gilbert
Chad Gilbert 2013-7-3
I'd tend to choose str2func, merely because it makes it more obvious what I'm anticipating as an output.

更多回答(1 个)

Shashank Prasanna
Don't use eval - EVER!
There is a whole documentation page that should answer 'why?'

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