本文整理汇总了Python中numpy.polynomial.chebyshev.chebval2d方法的典型用法代码示例。如果您正苦于以下问题：Python chebyshev.chebval2d方法的具体用法？Python chebyshev.chebval2d怎么用？Python chebyshev.chebval2d使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类numpy.polynomial.chebyshev的用法示例。
在下文中一共展示了chebyshev.chebval2d方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_chebval2d
# 需要导入模块: from numpy.polynomial import chebyshev [as 别名]
# 或者: from numpy.polynomial.chebyshev import chebval2d [as 别名]
def test_chebval2d(self):
x1, x2, x3 = self.x
y1, y2, y3 = self.y
#test exceptions
assert_raises(ValueError, cheb.chebval2d, x1, x2[:2], self.c2d)
#test values
tgt = y1*y2
res = cheb.chebval2d(x1, x2, self.c2d)
assert_almost_equal(res, tgt)
#test shape
z = np.ones((2, 3))
res = cheb.chebval2d(z, z, self.c2d)
assert_(res.shape == (2, 3)) 示例2: test_chebvander2d
# 需要导入模块: from numpy.polynomial import chebyshev [as 别名]
# 或者: from numpy.polynomial.chebyshev import chebval2d [as 别名]
def test_chebvander2d(self):
# also tests chebval2d for non-square coefficient array
x1, x2, x3 = self.x
c = np.random.random((2, 3))
van = cheb.chebvander2d(x1, x2, [1, 2])
tgt = cheb.chebval2d(x1, x2, c)
res = np.dot(van, c.flat)
assert_almost_equal(res, tgt)
# check shape
van = cheb.chebvander2d([x1], [x2], [1, 2])
assert_(van.shape == (1, 5, 6)) 示例3: test_chebvander2d
# 需要导入模块: from numpy.polynomial import chebyshev [as 别名]
# 或者: from numpy.polynomial.chebyshev import chebval2d [as 别名]
def test_chebvander2d(self) :
# also tests chebval2d for non-square coefficient array
x1, x2, x3 = self.x
c = np.random.random((2, 3))
van = cheb.chebvander2d(x1, x2, [1, 2])
tgt = cheb.chebval2d(x1, x2, c)
res = np.dot(van, c.flat)
assert_almost_equal(res, tgt)
# check shape
van = cheb.chebvander2d([x1], [x2], [1, 2])
assert_(van.shape == (1, 5, 6))