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Please help me make this easy plot work

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Gil
Gil 2014-10-27
关闭： MATLAB Answer Bot 2021-8-20
  1. f = exp(-0.5*x^2);
  2. t = 0.5;
  3. g_t = exp(-x-3t).^2;
  4. h_t = exp(-x.^2+t).^2;
  5. figure
  6. hold all
  7. plot(f,’r’)
  8. plot(g_t)
  9. plot(h_t,’g’)
  10. xlim([25 60])
  11. grid on
Error: File: plusen.m Line: 3 Column: 15 Unexpected MATLAB expression.

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回答（1 个）

Ben11
Ben11 2014-10-27
编辑：Ben11 2014-10-27
Please format your code in the question.
The error occurs because MATLAB does not recognize 3t as an expression. You need to use 3*t. (and define x as well but I guess you did it). And don't forget to use element-wise operations when dealing with arrays (eg .^ instead of ^ only).

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