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Python Constant.canonicalize方法代码示例

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, 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)
开发者ID:Russell91,项目名称:cvxpy,代码行数:36,代码来源:test_expressions.py

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))
开发者ID:HapeMask,项目名称:cvxpy,代码行数:25,代码来源:test_expressions.py


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