本文整理汇总了Python中sympy.Matrix.vech方法的典型用法代码示例。如果您正苦于以下问题:Python Matrix.vech方法的具体用法?Python Matrix.vech怎么用?Python Matrix.vech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sympy.Matrix
的用法示例。
在下文中一共展示了Matrix.vech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_vech
# 需要导入模块: from sympy import Matrix [as 别名]
# 或者: from sympy.Matrix import vech [as 别名]
def test_vech():
m = Matrix([ [1,2], [2,3] ])
m_vech = m.vech()
assert m_vech.cols == 1
for i in xrange(3):
assert m_vech[i] == i + 1
m_vech = m.vech(diagonal = False)
assert m_vech[0] == 2
示例2: test_vech
# 需要导入模块: from sympy import Matrix [as 别名]
# 或者: from sympy.Matrix import vech [as 别名]
def test_vech():
m = Matrix([ [1,2], [2,3] ])
m_vech = m.vech()
assert m_vech.cols == 1
for i in xrange(3):
assert m_vech[i] == i + 1
m_vech = m.vech(diagonal=False)
assert m_vech[0] == 2
x,y = symbols('xy')
m = Matrix([ [1, x*(x+y)], [y*x+x**2, 1] ])
m_vech = m.vech(diagonal=False)
assert m_vech[0] == y*x+x**2
x,y = symbols('xy')
m = Matrix([ [1, x*(x+y)], [y*x, 1] ])
m_vech = m.vech(diagonal=False, check_symmetry=False)
assert m_vech[0] == y*x