PythonQ 240-8XX Manuale Utente Scaricare il pdf (Pagina 26)

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Basic Easyviz example

from scitools.all import

*

#importnumpyandplotting

t=linspace(0,3,51) #51pointsbetween0and3

y=t

**

2

*

exp(-t

**

2) # vectorized expression

plot(t, y)

hardcopy(’tmp1.eps’) # make PostScript image for reports

hardcopy(’tmp1.png’) # make PNG image for web pages

0

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

0 0.5 1 1.5 2 2.5 3

Numerical Python – p. 260/728

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