How to plot functions

2011 3 30
2 个回答
3 次查看（30 天）

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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

0 个投票

One way to do it
ezplot('y=1 + exp(-0.2*x)*sin(x+2)')

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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

0 个投票

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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Dominic
Dominic
2011-3-30

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