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From: trung trinh on 13 Apr 2010 09:49
i try to test dsolve command.
>> syms t
>> f = t;
>>x = dsolve('D2x= -x+f')
but i want f in dsolve is function of variable t. how to do with manner use syms command
From: Wayne King on 13 Apr 2010 10:06
"trung trinh" <trungkstn(a)gmail.com> wrote in message <hq1sok$gsq$1(a)fred.mathworks.com>...
> i try to test dsolve command.
> >> syms t
> >> f = t;
> >>x = dsolve('D2x= -x+f')
> but i want f in dsolve is function of variable t. how to do with manner use syms command

Hi, I'm not sure exactly what you are asking since f=t

do you just mean?

syms t
f = t;
x = dsolve('D2x= -x+f','f');

Wayne
From: trung trinh on 13 Apr 2010 10:38
No, x and f is function of t
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