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Inner matrix dimensions must agree.

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koke
koke on 19 Apr 2013
this is matlab verrrry simple program but i have verrrry simple problem :) this is the error ( Error using * Inner matrix dimensions must agree.
Error in vib (line 9)
x=(a1+a2*t)*exp(-wn*t); )
and that is the program
vo=input('vo=');
xo=input('xo=');
wn=input('wn=');
syms t;
syms wn;
a1=xo;
a2=vo+(wn*xo);
t=0:1;
x=(a1+a2*t)*exp(-wn*t);
nx=double( subs(x,'t', t));
figure(1);
plot(t,nx);
what can i do to solve this program

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bym
bym on 19 Apr 2013
I think you have already resolved this based on this question

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Answers (1)

Walter Roberson
Walter Roberson on 20 Apr 2013
Use .* instead of *

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