Mercurial > hg > tvii
annotate tests/test_derivative.py @ 87:9d5a5e9f5c3b
add kmeans + dataset
author | Jeff Hammel <k0scist@gmail.com> |
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date | Sun, 17 Dec 2017 14:05:57 -0800 |
parents | 1b61ce99ee82 |
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derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
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1 #!/usr/bin/env python |
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derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
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2 |
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derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
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3 import os |
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Jeff Hammel <k0scist@gmail.com>
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4 import shutil |
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derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
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5 import tempfile |
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derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
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6 import unittest |
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derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
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7 from tvii import derivative |
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derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
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8 |
1b61ce99ee82
derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
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9 class TestDerivatives(unittest.TestCase): |
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derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
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changeset
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10 |
1b61ce99ee82
derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
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changeset
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11 def test_midpoint(self): |
1b61ce99ee82
derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
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12 def cube(x): |
1b61ce99ee82
derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
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13 return x**3 |
1b61ce99ee82
derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
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changeset
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14 |
1b61ce99ee82
derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
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changeset
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15 exact = 3 |
1b61ce99ee82
derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
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changeset
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16 expected = 3.0001 |
1b61ce99ee82
derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
diff
changeset
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17 got = derivative.midpoint(cube, 1, 0.01) |
1b61ce99ee82
derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
diff
changeset
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18 assert abs(expected - got) < 1e-6, "Expected {}; got {}".format(expected, got) |
1b61ce99ee82
derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
diff
changeset
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19 |
1b61ce99ee82
derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
diff
changeset
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20 if __name__ == '__main__': |
1b61ce99ee82
derivative calculation: midpoint rule
Jeff Hammel <k0scist@gmail.com>
parents:
diff
changeset
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21 unittest.main() |