Point out the error

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Syed Muhammad Umar
Syed Muhammad Umar 2015-10-6
评论： Walter Roberson 2015-10-6
Matlab script to animate the motion of vibrating guitar
A= 2;
L= 10;
f= 50;
ta= 2;
x=0:0.1:L;
T=5 ;
t=0;
for t < T
y=(A)*(exp^(-t/ta))*(sin((2*pi*x)/L))*(cos(2*pi*f*t));
plot(x,y)
t=t+0.1;
pause(0.5)
end

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Walter Roberson
Walter Roberson 2015-10-6
"for" must be followed by a variable name and then by an "=" and then an expression. The "for" loop will then be repeated assigning the values of the expression to the variable in turn.
You probably want "while" instead of "for"
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Syed Muhammad Umar
Syed Muhammad Umar 2015-10-6
编辑：Walter Roberson 2015-10-6
Is it Okay
A= 2;
L= 10;
f= 50;
ta= 2;
x=0:0.1:L;
t= 0;
T=5 ;
exp=2.718;
while t < T
y=(A)*(exp^(-t/ta))*(sin((2*pi*x)/L))*(cos(2*pi*f*t));
plot(x,y)
t=t+0.1;
pause(0.5)
end
Walter Roberson
Walter Roberson 2015-10-6
It looks plausible.

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