本文整理汇总了Python中cvxpy.expressions.constants.Constant.canonicalize方法的典型用法代码示例。如果您正苦于以下问题：Python Constant.canonicalize方法的具体用法？Python Constant.canonicalize怎么用？Python Constant.canonicalize使用的例子？那么恭喜您, 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cvxpy.expressions.constants.Constant的用法示例。
在下文中一共展示了Constant.canonicalize方法的2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_constants
# 需要导入模块: from cvxpy.expressions.constants import Constant [as 别名]
# 或者: from cvxpy.expressions.constants.Constant import canonicalize [as 别名]
def test_constants(self):
c = Constant(2)
self.assertEqual(c.name(), str(2))
c = Constant(2, name="c")
self.assertEqual(c.name(), "c")
self.assertEqual(c.value, 2)
self.assertEqual(c.size, (1,1))
self.assertEqual(c.curvature, u.Curvature.CONSTANT)
self.assertEqual(c.sign, u.Sign.POSITIVE)
self.assertEqual(Constant(-2).sign, u.Sign.NEGATIVE)
self.assertEqual(Constant(0).sign, u.Sign.ZERO)
self.assertEqual(c.canonicalize()[0].size, (1,1))
self.assertEqual(c.canonicalize()[1], [])
coeffs = c.coefficients(self.intf)
self.assertEqual(coeffs.keys(), [Constant])
self.assertEqual(coeffs[Constant], 2)
# Test the sign.
c = Constant([[2],[2]])
self.assertEqual(c.size, (1,2))
self.assertEqual(c.sign.neg_mat.value.shape, (1,2))
# Test sign of a complex expression.
c = Constant([1, 2])
A = Constant([[1,1],[1,1]])
exp = c.T*A*c
self.assertEqual(exp.sign, u.Sign.POSITIVE)
self.assertEqual((c.T*c).sign, u.Sign.POSITIVE)
exp = c.T.T
self.assertEqual(exp.sign.pos_mat.value.ndim, 2)
exp = c.T*self.A
self.assertEqual(exp.sign.pos_mat.value.ndim, 2)示例2: test_constants
# 需要导入模块: from cvxpy.expressions.constants import Constant [as 别名]
# 或者: from cvxpy.expressions.constants.Constant import canonicalize [as 别名]
def test_constants(self):
c = Constant(2)
self.assertEqual(c.name(), str(2))
c = Constant(2, name="c")
self.assertEqual(c.name(), "c")
self.assertEqual(c.value, 2)
self.assertEqual(c.size, (1,1))
self.assertEqual(c.curvature, u.Curvature.CONSTANT)
self.assertEqual(c.sign, u.Sign.POSITIVE)
self.assertEqual(Constant(-2).sign, u.Sign.NEGATIVE)
self.assertEqual(Constant(0).sign, u.Sign.ZERO)
self.assertEqual(c.canonicalize()[0].size, (1,1))
self.assertEqual(c.canonicalize()[1], [])
coeffs = c.coefficients(self.intf)
self.assertEqual(coeffs.keys(), [s.CONSTANT])
self.assertEqual(coeffs[s.CONSTANT], 2)
# Test the sign.
c = Constant([[2],[2]])
self.assertEqual(c.size, (1,2))
self.assertEqual(c.sign.neg_mat.value.shape, (1,2))