1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
#!/usr/bin/env python
# Created by John Travers, Robert Hetland, 2007
""" Test functions for rbf module """
from numpy.testing import *
from numpy import linspace, sin, random, exp
set_package_path()
from rbf.rbf import Rbf
restore_path()
class test_Rbf1D(NumpyTestCase):
def check_multiquadrics(self):
x = linspace(0,10,9)
y = sin(x)
rbf = Rbf(x, y)
yi = rbf(x)
assert_array_almost_equal(y, yi)
class test_Rbf2D(NumpyTestCase):
def check_multiquadrics(self):
x = random.rand(50,1)*4-2
y = random.rand(50,1)*4-2
z = x*exp(-x**2-y**2)
rbf = Rbf(x, y, z ,epsilon=2)
zi = rbf(x, y)
zi.shape = x.shape
assert_array_almost_equal(z, zi)
class test_Rbf3D(NumpyTestCase):
def check_multiquadrics(self):
x = random.rand(50,1)*4-2
y = random.rand(50,1)*4-2
z = random.rand(50,1)*4-2
d = x*exp(-x**2-y**2)
rbf = Rbf(x, y, z, d ,epsilon=2)
di = rbf(x, y, z)
di.shape = x.shape
assert_array_almost_equal(di, d)
if __name__ == "__main__":
NumpyTest().run()
|
