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Need help with Plotting inside a time loop please!

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Vignesh Kumar
Vignesh Kumar 2016-4-21
评论： John BG 2016-4-22
t = [0:100]; wavomega=0.5; f=100; if t>10 && t<15 Ft = f*sin(wavomega*t); else Ft =0; end figure; plot(Ft,t)
This gives an error and says t is not a scalar?? Please help how to plot this.? Is it because Ft is changing in every loop?
Please help.

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回答（2 个）

John BG
John BG 2016-4-22
Instead of the if, use directly
Ft=zeros(1,length(t))
Ft = f*sin(wavomega*t(11:14))
If you find this answer of any help solving your question, please click on the thumbs-up vote link, or mark it as accepted answer
thanks in advance
John
jgb2012@sky.com
Vignesh Kumar
Vignesh Kumar 2016-4-22
Thank John,
ITs not working. Says * matrix dimensions must match
  1 个评论
John BG
John BG 2016-4-22
Vignesh
this works:
t = [0:100];
wavomega=0.5;
f=100;
Ft=zeros(1,length(t))
Ft([11:14]) = f*sin(wavomega*t([11:14]));
stem(t,Ft)
is this ok? regards
John
jgb2012@sky.com

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