Home > Archive > Matlab > December 2005 > why syms formula can not pass?
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| Author |
why syms formula can not pass?
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| Samuel Mo 2005-12-18, 7:06 pm |
| I use syms to input some formula in the codes below, but it can not
work only with a response "Missing operator, comma, or semicolon." I
check it several times and can not find any problem, can somebody
help me please, thanks very much in advance!!!!
My code:
clear
clc
syms a b K P1 N rr;
temp2=-4*b^4*rr *N^2*K+4*a^2*b^4*rr^2*N^2*K;
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| Sergey Litvinov 2005-12-18, 7:06 pm |
| Samuel Mo wrote:
> I use syms to input some formula in the codes below, but it can not
> work only with a response "Missing operator, comma, or semicolon." I
> check it several times and can not find any problem, can somebody
> help me please, thanks very much in advance!!!!
>
> My code:
>
> clear
> clc
>
> syms a b K P1 N rr;
> temp2=-4*b^4*rr *N^2*K+4*a^2*b^4*rr^2*N^2*K;
Works for me (MATLAB Version 7.0).
Strange...please check do you have Symbolic Math Toolbox.
help ver
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| Nasser Abbasi 2005-12-18, 7:06 pm |
|
"Samuel Mo" <hmo2@uiuc.edu> wrote in message
news:ef201da.-1@webx.raydaftYaTP...
>I use syms to input some formula in the codes below, but it can not
> work only with a response "Missing operator, comma, or semicolon." I
> check it several times and can not find any problem, can somebody
> help me please, thanks very much in advance!!!!
>
> My code:
>
> clear
> clc
>
> syms a b K P1 N rr;
> temp2=-4*b^4*rr *N^2*K+4*a^2*b^4*rr^2*N^2*K;
>
do you have the symbolic toolbox installed?
type 'ver' and check.
Nasser
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