How to plot functions

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Dominic
Dominic 2011-3-30
How to plot (exp(-0.2*x)*sin(x+2)=0.1) and (y=1 + exp(-0.2*x)*sin(x+2)
cant get the graph to show up... need help

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回答（2 个）

Paulo Silva
Paulo Silva 2011-3-30
One way to do it
ezplot('y=1 + exp(-0.2*x)*sin(x+2)')
  2 个评论
Dominic
Dominic 2011-3-30
awesome thank you, anyone know how to use fzero to find the 3 values of x that solve this equation?
Walter Roberson
Walter Roberson 2011-3-30
See your fzero question

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Matt Fig
Matt Fig 2011-3-30
Another way
f = @(x) 1 + exp(-0.2*x).*sin(x+2); % Define the function.
x = -20:.01:20; % Define an x range for the plot;
plot(x,f(x))

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