c
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Plotting several curves in one plot
Compare f
1
(t)=t
2
e
−t
2
and f
2
(t)=t
4
e
−t
2
for t ∈ [0, 3]
from scitools.all import
*
#forcurveplotting
def f1(t):
return t
**
2
*
exp(-t
**
2)
def f2(t):
return t
**
2
*
f1(t)
t=linspace(0,3,51)
y1 = f1(t)
y2 = f2(t)
plot(t, y1)
hold(’on’) # continue plotting in the same plot
plot(t, y2)
xlabel(’t’)
ylabel(’y’)
legend(’t^2
*
exp(-t^2)’, ’t^4
*
exp(-t^2)’)
title(’Plotting two curves in the same plot’)
hardcopy(’tmp2.eps’)
Numerical Python – p. 263/728
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