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Niggle with a ``simple'' if-else structure.

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Caroline Voloshin
Caroline Voloshin 2013-7-18
Hi.
I want to enforce the following structure in MATLAB -
if a>20
{Statement set 1}
elseif 10<a<20
{Statement set 2}
else
{Statement set 3}
end
`a' can take only positive values, from 1 to 30.
My syntax for `elseif' might be wrong, but atleast in this post it clarifies what I'm trying to do :
1) if a > 20, execute statement set 1.
2) if a lies between 10 and 20, execute statement set 2.
3) if a < 10, execute statement set 3.
The problem is, it executes statement set 2 even if a < 10, probably because 10<a<20 is not allowed as an elseif condition.
Is there any other way of enforcing this structure in MATLAB? Or, can someone please suggest a correct `elseif' condition for this purpose.
Thanks.

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采纳的回答

David Sanchez
David Sanchez 2013-7-18
Instead of
elseif 10<a<20
do the following:
elseif ( (a>10) && (a<20) )
  2 个评论
David Sanchez
David Sanchez 2013-7-18
if you want a to be greater or equal to 10 and lessor equal to 20:
elseif ( (a>=10) && (a<=20) )

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