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
43
44
45
46
47
48
49
50
51
|
import unittest
from polymatrix.expressionstate.init.initexpressionstate import init_expression_state
import polymatrix.expression.initexpressionbase
class TestDerivative(unittest.TestCase):
def test_1(self):
monomials1 = {
(0, 0): {
((0, 1),): 1.0,
},
(1, 0): {
((0, 1), (1, 2)): 1.0,
},
}
monomials2 = {
(0, 0): {
((0, 1),): 1.0,
},
(1, 0): {
((1, 1),): 1.0,
},
}
expr = polymatrix.expression.initexpressionbase.init_subtract_monomials_expr(
underlying=polymatrix.expression.initexpressionbase.init_from_terms_expr(terms=monomials1, shape=(2, 1)),
monomials=polymatrix.expression.initexpressionbase.init_from_terms_expr(terms=monomials2, shape=(2, 1)),
)
state = init_expression_state(n_param=3)
state, val = expr.apply(state)
self.assertTupleEqual(val.shape, (3, 1))
data = val.get_poly(0, 0)
self.assertDictEqual({
tuple(): 1.0,
}, data)
data = val.get_poly(1, 0)
self.assertDictEqual({
((1, 2),): 1.0,
}, data)
data = val.get_poly(2, 0)
self.assertDictEqual({
((0, 1), (1, 1)): 1.0,
}, data)
|
