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# classes.Derivative

All Samples(18)  |  Call(14)  |  Derive(0)  |  Import(4)

```      (c.R, c.x0, c.y0, c.area())

from classes import Derivative
from math import *
df = Derivative(sin)
print dir(df)
x = pi
df(x)
```
```    return t**3

dg = Derivative(g)
t = 1
dg(t)  # compare with 3 (exact)
```

```      (c.R, c.x0, c.y0, c.area())

from classes import Derivative
from math import *
df = Derivative(sin)
print dir(df)
x = pi
df(x)
```
```    return t**3

dg = Derivative(g)
t = 1
dg(t)  # compare with 3 (exact)
```

```    sys.exit(1)
import sys
from classes import Y, Derivative, VelocityProfile, Account, AccountP, \
Person, Circle
from Complex import Complex
```
```def g(x):
return 1 + (1-x)**4
d = Derivative(g)
lumpy.object_diagram()
lumpy.class_diagram()
```

```    sys.exit(1)
import sys
from classes import Y, Derivative, VelocityProfile, Account, AccountP, \
Person, Circle
from Complex import Complex
```
```def g(x):
return 1 + (1-x)**4
d = Derivative(g)
lumpy.object_diagram()
lumpy.class_diagram()
```