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Python sympy.adjoint函数代码示例

本文整理汇总了Python中sympy.adjoint函数的典型用法代码示例。如果您正苦于以下问题:Python adjoint函数的具体用法?Python adjoint怎么用?Python adjoint使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了adjoint函数的12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_heaviside

def test_heaviside():
    assert Heaviside(0).func == Heaviside
    assert Heaviside(-5) == 0
    assert Heaviside(1) == 1
    assert Heaviside(nan) == nan

    assert Heaviside(0, x) == x
    assert Heaviside(0, nan) == nan
    assert Heaviside(x, None) == Heaviside(x)
    assert Heaviside(0, None) == Heaviside(0)
    # we do not want None in the args:
    assert None not in Heaviside(x, None).args

    assert adjoint(Heaviside(x)) == Heaviside(x)
    assert adjoint(Heaviside(x - y)) == Heaviside(x - y)
    assert conjugate(Heaviside(x)) == Heaviside(x)
    assert conjugate(Heaviside(x - y)) == Heaviside(x - y)
    assert transpose(Heaviside(x)) == Heaviside(x)
    assert transpose(Heaviside(x - y)) == Heaviside(x - y)

    assert Heaviside(x).diff(x) == DiracDelta(x)
    assert Heaviside(x + I).is_Function is True
    assert Heaviside(I*x).is_Function is True

    raises(ArgumentIndexError, lambda: Heaviside(x).fdiff(2))
    raises(ValueError, lambda: Heaviside(I))
    raises(ValueError, lambda: Heaviside(2 + 3*I))
开发者ID:abhi98khandelwal,项目名称:sympy,代码行数:27,代码来源:test_delta_functions.py

示例2: test_DiracDelta

def test_DiracDelta():
    assert DiracDelta(1) == 0
    assert DiracDelta(5.1) == 0
    assert DiracDelta(-pi) == 0
    assert DiracDelta(5, 7) == 0
    assert DiracDelta(nan) == nan
    assert DiracDelta(0).func is DiracDelta
    assert DiracDelta(x).func is DiracDelta

    assert adjoint(DiracDelta(x)) == DiracDelta(x)
    assert adjoint(DiracDelta(x - y)) == DiracDelta(x - y)
    assert conjugate(DiracDelta(x)) == DiracDelta(x)
    assert conjugate(DiracDelta(x - y)) == DiracDelta(x - y)
    assert transpose(DiracDelta(x)) == DiracDelta(x)
    assert transpose(DiracDelta(x - y)) == DiracDelta(x - y)

    assert DiracDelta(x).diff(x) == DiracDelta(x, 1)
    assert DiracDelta(x, 1).diff(x) == DiracDelta(x, 2)

    assert DiracDelta(x).is_simple(x) is True
    assert DiracDelta(3*x).is_simple(x) is True
    assert DiracDelta(x**2).is_simple(x) is False
    assert DiracDelta(sqrt(x)).is_simple(x) is False
    assert DiracDelta(x).is_simple(y) is False

    assert DiracDelta(x*y).simplify(x) == DiracDelta(x)/abs(y)
    assert DiracDelta(x*y).simplify(y) == DiracDelta(y)/abs(x)
    assert DiracDelta(x**2*y).simplify(x) == DiracDelta(x**2*y)
    assert DiracDelta(y).simplify(x) == DiracDelta(y)
    assert DiracDelta((x - 1)*(x - 2)*(x - 3)).simplify(x) == \
        DiracDelta(x - 3)/2 + DiracDelta(x - 2) + DiracDelta(x - 1)/2

    raises(ArgumentIndexError, lambda: DiracDelta(x).fdiff(2))
    raises(ValueError, lambda: DiracDelta(x, -1))
开发者ID:A-turing-machine,项目名称:sympy,代码行数:34,代码来源:test_delta_functions.py

示例3: test_DiracDelta

def test_DiracDelta():
    assert DiracDelta(1) == 0
    assert DiracDelta(5.1) == 0
    assert DiracDelta(-pi) == 0
    assert DiracDelta(5, 7) == 0
    assert DiracDelta(i) == 0
    assert DiracDelta(j) == 0
    assert DiracDelta(k) == 0
    assert DiracDelta(nan) == nan
    assert DiracDelta(0).func is DiracDelta
    assert DiracDelta(x).func is DiracDelta
    # FIXME: this is generally undefined @ x=0
    #         But then limit(Delta(c)*Heaviside(x),x,-oo)
    #         need's to be implemented.
    #assert 0*DiracDelta(x) == 0

    assert adjoint(DiracDelta(x)) == DiracDelta(x)
    assert adjoint(DiracDelta(x - y)) == DiracDelta(x - y)
    assert conjugate(DiracDelta(x)) == DiracDelta(x)
    assert conjugate(DiracDelta(x - y)) == DiracDelta(x - y)
    assert transpose(DiracDelta(x)) == DiracDelta(x)
    assert transpose(DiracDelta(x - y)) == DiracDelta(x - y)

    assert DiracDelta(x).diff(x) == DiracDelta(x, 1)
    assert DiracDelta(x, 1).diff(x) == DiracDelta(x, 2)

    assert DiracDelta(x).is_simple(x) is True
    assert DiracDelta(3*x).is_simple(x) is True
    assert DiracDelta(x**2).is_simple(x) is False
    assert DiracDelta(sqrt(x)).is_simple(x) is False
    assert DiracDelta(x).is_simple(y) is False

    assert DiracDelta(x*y).expand(diracdelta=True, wrt=x) == DiracDelta(x)/abs(y)
    assert DiracDelta(x*y).expand(diracdelta=True, wrt=y) == DiracDelta(y)/abs(x)
    assert DiracDelta(x**2*y).expand(diracdelta=True, wrt=x) == DiracDelta(x**2*y)
    assert DiracDelta(y).expand(diracdelta=True, wrt=x) == DiracDelta(y)
    assert DiracDelta((x - 1)*(x - 2)*(x - 3)).expand(diracdelta=True, wrt=x) == (
        DiracDelta(x - 3)/2 + DiracDelta(x - 2) + DiracDelta(x - 1)/2)

    assert DiracDelta(2*x) != DiracDelta(x)  # scaling property
    assert DiracDelta(x) == DiracDelta(-x)  # even function
    assert DiracDelta(-x, 2) == DiracDelta(x, 2)
    assert DiracDelta(-x, 1) == -DiracDelta(x, 1)  # odd deriv is odd
    assert DiracDelta(-oo*x) == DiracDelta(oo*x)
    assert DiracDelta(x - y) != DiracDelta(y - x)
    assert signsimp(DiracDelta(x - y) - DiracDelta(y - x)) == 0

    with raises(SymPyDeprecationWarning):
        assert DiracDelta(x*y).simplify(x) == DiracDelta(x)/abs(y)
        assert DiracDelta(x*y).simplify(y) == DiracDelta(y)/abs(x)
        assert DiracDelta(x**2*y).simplify(x) == DiracDelta(x**2*y)
        assert DiracDelta(y).simplify(x) == DiracDelta(y)
        assert DiracDelta((x - 1)*(x - 2)*(x - 3)).simplify(x) == (
            DiracDelta(x - 3)/2 + DiracDelta(x - 2) + DiracDelta(x - 1)/2)

    raises(ArgumentIndexError, lambda: DiracDelta(x).fdiff(2))
    raises(ValueError, lambda: DiracDelta(x, -1))
    raises(ValueError, lambda: DiracDelta(I))
    raises(ValueError, lambda: DiracDelta(2 + 3*I))
开发者ID:KonstantinTogoi,项目名称:sympy,代码行数:59,代码来源:test_delta_functions.py

示例4: test_conjugate_transpose

def test_conjugate_transpose():
    A, B = symbols("A B", commutative=False)
    p = Piecewise((A*B**2, x > 0), (A**2*B, True))
    assert p.adjoint() == \
        Piecewise((adjoint(A*B**2), x > 0), (adjoint(A**2*B), True))
    assert p.conjugate() == \
        Piecewise((conjugate(A*B**2), x > 0), (conjugate(A**2*B), True))
    assert p.transpose() == \
        Piecewise((transpose(A*B**2), x > 0), (transpose(A**2*B), True))
开发者ID:HuibinLin,项目名称:sympy,代码行数:9,代码来源:test_piecewise.py

示例5: test_kronecker_delta

def test_kronecker_delta():
    i, j = symbols('i j')
    k = Symbol('k', nonzero=True)
    assert KroneckerDelta(1, 1) == 1
    assert KroneckerDelta(1, 2) == 0
    assert KroneckerDelta(k, 0) == 0
    assert KroneckerDelta(x, x) == 1
    assert KroneckerDelta(x**2 - y**2, x**2 - y**2) == 1
    assert KroneckerDelta(i, i) == 1
    assert KroneckerDelta(i, i + 1) == 0
    assert KroneckerDelta(0, 0) == 1
    assert KroneckerDelta(0, 1) == 0
    assert KroneckerDelta(i + k, i) == 0
    assert KroneckerDelta(i + k, i + k) == 1
    assert KroneckerDelta(i + k, i + 1 + k) == 0
    assert KroneckerDelta(i, j).subs(dict(i=1, j=0)) == 0
    assert KroneckerDelta(i, j).subs(dict(i=3, j=3)) == 1

    assert KroneckerDelta(i, j)**0 == 1
    for n in range(1, 10):
        assert KroneckerDelta(i, j)**n == KroneckerDelta(i, j)
        assert KroneckerDelta(i, j)**-n == 1/KroneckerDelta(i, j)

    assert KroneckerDelta(i, j).is_integer is True

    assert adjoint(KroneckerDelta(i, j)) == KroneckerDelta(i, j)
    assert conjugate(KroneckerDelta(i, j)) == KroneckerDelta(i, j)
    assert transpose(KroneckerDelta(i, j)) == KroneckerDelta(i, j)
    # to test if canonical
    assert (KroneckerDelta(i, j) == KroneckerDelta(j, i)) == True
开发者ID:KonstantinTogoi,项目名称:sympy,代码行数:30,代码来源:test_tensor_functions.py

示例6: test_heaviside

def test_heaviside():
    assert Heaviside(0) == 0.5
    assert Heaviside(-5) == 0
    assert Heaviside(1) == 1
    assert Heaviside(nan) == nan

    assert adjoint(Heaviside(x)) == Heaviside(x)
    assert adjoint(Heaviside(x - y)) == Heaviside(x - y)
    assert conjugate(Heaviside(x)) == Heaviside(x)
    assert conjugate(Heaviside(x - y)) == Heaviside(x - y)
    assert transpose(Heaviside(x)) == Heaviside(x)
    assert transpose(Heaviside(x - y)) == Heaviside(x - y)

    assert Heaviside(x).diff(x) == DiracDelta(x)
    assert Heaviside(x + I).is_Function is True
    assert Heaviside(I*x).is_Function is True

    raises(ArgumentIndexError, lambda: Heaviside(x).fdiff(2))
    raises(ValueError, lambda: Heaviside(I))
    raises(ValueError, lambda: Heaviside(2 + 3*I))
开发者ID:Abhityagi16,项目名称:sympy,代码行数:20,代码来源:test_delta_functions.py

示例7: test_levicivita

def test_levicivita():
    assert Eijk(1, 2, 3) == LeviCivita(1, 2, 3)
    assert LeviCivita(1, 2, 3) == 1
    assert LeviCivita(1, 3, 2) == -1
    assert LeviCivita(1, 2, 2) == 0
    i, j, k = symbols('i j k')
    assert LeviCivita(i, j, k) == LeviCivita(i, j, k, evaluate=False)
    assert LeviCivita(i, j, i) == 0
    assert LeviCivita(1, i, i) == 0
    assert LeviCivita(i, j, k).doit() == (j - i)*(k - i)*(k - j)/2
    assert LeviCivita(1, 2, 3, 1) == 0
    assert LeviCivita(4, 5, 1, 2, 3) == 1
    assert LeviCivita(4, 5, 2, 1, 3) == -1

    assert LeviCivita(i, j, k).is_integer is True

    assert adjoint(LeviCivita(i, j, k)) == LeviCivita(i, j, k)
    assert conjugate(LeviCivita(i, j, k)) == LeviCivita(i, j, k)
    assert transpose(LeviCivita(i, j, k)) == LeviCivita(i, j, k)
开发者ID:Abhityagi16,项目名称:sympy,代码行数:19,代码来源:test_tensor_functions.py

示例8: test_conjugate_transpose

def test_conjugate_transpose():
    x = Symbol('x')
    assert conjugate(transpose(x)) == adjoint(x)
    assert transpose(conjugate(x)) == adjoint(x)
    assert adjoint(transpose(x)) == conjugate(x)
    assert transpose(adjoint(x)) == conjugate(x)
    assert adjoint(conjugate(x)) == transpose(x)
    assert conjugate(adjoint(x)) == transpose(x)

    class Symmetric(Expr):
        def _eval_adjoint(self):
            return None
        def _eval_conjugate(self):
            return None
        def _eval_transpose(self):
            return self
    x = Symmetric()
    assert conjugate(x) == adjoint(x)
    assert transpose(x) == x
开发者ID:archipleago-creature,项目名称:sympy,代码行数:19,代码来源:test_complexes.py

示例9: test_kronecker_delta

def test_kronecker_delta():
    i, j = symbols('i j')
    k = Symbol('k', nonzero=True)
    assert KroneckerDelta(1, 1) == 1
    assert KroneckerDelta(1, 2) == 0
    assert KroneckerDelta(x, x) == 1
    assert KroneckerDelta(x**2 - y**2, x**2 - y**2) == 1
    assert KroneckerDelta(i, i) == 1
    assert KroneckerDelta(i, i + 1) == 0
    assert KroneckerDelta(0, 0) == 1
    assert KroneckerDelta(0, 1) == 0
    assert KroneckerDelta(i + k, i) == KroneckerDelta(0, k)
    assert KroneckerDelta(i + k, i + k) == 1
    assert KroneckerDelta(i + k, i + 1 + k) == 0
    assert KroneckerDelta(i, j).subs(dict(i=1, j=0)) == 0
    assert KroneckerDelta(i, j).subs(dict(i=3, j=3)) == 1

    assert KroneckerDelta(i, j).is_integer is True

    assert adjoint(KroneckerDelta(i, j)) == KroneckerDelta(i, j)
    assert conjugate(KroneckerDelta(i, j)) == KroneckerDelta(i, j)
    assert transpose(KroneckerDelta(i, j)) == KroneckerDelta(i, j)
开发者ID:FireJade,项目名称:sympy,代码行数:22,代码来源:test_tensor_functions.py

示例10: test_adjoint

def test_adjoint():
    a = Symbol('a', antihermitian=True)
    b = Symbol('b', hermitian=True)
    assert adjoint(a) == -a
    assert adjoint(I*a) == I*a
    assert adjoint(b) == b
    assert adjoint(I*b) == -I*b
    assert adjoint(a*b) == -b*a
    assert adjoint(I*a*b) == I*b*a

    x, y = symbols('x y')
    assert adjoint(adjoint(x)) == x
    assert adjoint(x + y) == adjoint(x) + adjoint(y)
    assert adjoint(x - y) == adjoint(x) - adjoint(y)
    assert adjoint(x * y) == adjoint(x) * adjoint(y)
    assert adjoint(x / y) == adjoint(x) / adjoint(y)
    assert adjoint(-x) == -adjoint(x)

    x, y = symbols('x y', commutative=False)
    assert adjoint(adjoint(x)) == x
    assert adjoint(x + y) == adjoint(x) + adjoint(y)
    assert adjoint(x - y) == adjoint(x) - adjoint(y)
    assert adjoint(x * y) == adjoint(y) * adjoint(x)
    assert adjoint(x / y) == 1 / adjoint(y) * adjoint(x)
    assert adjoint(-x) == -adjoint(x)
开发者ID:A-turing-machine,项目名称:sympy,代码行数:25,代码来源:test_complexes.py

示例11: test_array_permutedims

def test_array_permutedims():
    sa = symbols('a0:144')

    m1 = Array(sa[:6], (2, 3))
    assert permutedims(m1, (1, 0)) == transpose(m1)
    assert m1.tomatrix().T == permutedims(m1, (1, 0)).tomatrix()

    assert m1.tomatrix().T == transpose(m1).tomatrix()
    assert m1.tomatrix().C == conjugate(m1).tomatrix()
    assert m1.tomatrix().H == adjoint(m1).tomatrix()

    assert m1.tomatrix().T == m1.transpose().tomatrix()
    assert m1.tomatrix().C == m1.conjugate().tomatrix()
    assert m1.tomatrix().H == m1.adjoint().tomatrix()

    raises(ValueError, lambda: permutedims(m1, (0,)))
    raises(ValueError, lambda: permutedims(m1, (0, 0)))
    raises(ValueError, lambda: permutedims(m1, (1, 2, 0)))

    # Some tests with random arrays:
    dims = 6
    shape = [random.randint(1,5) for i in range(dims)]
    elems = [random.random() for i in range(tensorproduct(*shape))]
    ra = Array(elems, shape)
    perm = list(range(dims))
    # Randomize the permutation:
    random.shuffle(perm)
    # Test inverse permutation:
    assert permutedims(permutedims(ra, perm), _af_invert(perm)) == ra
    # Test that permuted shape corresponds to action by `Permutation`:
    assert permutedims(ra, perm).shape == tuple(Permutation(perm)(shape))

    z = Array.zeros(4,5,6,7)

    assert permutedims(z, (2, 3, 1, 0)).shape == (6, 7, 5, 4)
    assert permutedims(z, [2, 3, 1, 0]).shape == (6, 7, 5, 4)
    assert permutedims(z, Permutation([2, 3, 1, 0])).shape == (6, 7, 5, 4)

    po = Array(sa, [2, 2, 3, 3, 2, 2])

    raises(ValueError, lambda: permutedims(po, (1, 1)))
    raises(ValueError, lambda: po.transpose())
    raises(ValueError, lambda: po.adjoint())

    assert permutedims(po, reversed(range(po.rank()))) == Array(
        [[[[[[sa[0], sa[72]], [sa[36], sa[108]]], [[sa[12], sa[84]], [sa[48], sa[120]]], [[sa[24],
                                                                                           sa[96]], [sa[60], sa[132]]]],
           [[[sa[4], sa[76]], [sa[40], sa[112]]], [[sa[16],
                                                    sa[88]], [sa[52], sa[124]]],
            [[sa[28], sa[100]], [sa[64], sa[136]]]],
           [[[sa[8],
              sa[80]], [sa[44], sa[116]]], [[sa[20], sa[92]], [sa[56], sa[128]]], [[sa[32],
                                                                                    sa[104]], [sa[68], sa[140]]]]],
          [[[[sa[2], sa[74]], [sa[38], sa[110]]], [[sa[14],
                                                    sa[86]], [sa[50], sa[122]]], [[sa[26], sa[98]], [sa[62], sa[134]]]],
           [[[sa[6],
              sa[78]], [sa[42], sa[114]]], [[sa[18], sa[90]], [sa[54], sa[126]]], [[sa[30],
                                                                                    sa[102]], [sa[66], sa[138]]]],
           [[[sa[10], sa[82]], [sa[46], sa[118]]], [[sa[22],
                                                     sa[94]], [sa[58], sa[130]]],
            [[sa[34], sa[106]], [sa[70], sa[142]]]]]],
         [[[[[sa[1],
              sa[73]], [sa[37], sa[109]]], [[sa[13], sa[85]], [sa[49], sa[121]]], [[sa[25],
                                                                                    sa[97]], [sa[61], sa[133]]]],
           [[[sa[5], sa[77]], [sa[41], sa[113]]], [[sa[17],
                                                    sa[89]], [sa[53], sa[125]]],
            [[sa[29], sa[101]], [sa[65], sa[137]]]],
           [[[sa[9],
              sa[81]], [sa[45], sa[117]]], [[sa[21], sa[93]], [sa[57], sa[129]]], [[sa[33],
                                                                                    sa[105]], [sa[69], sa[141]]]]],
          [[[[sa[3], sa[75]], [sa[39], sa[111]]], [[sa[15],
                                                    sa[87]], [sa[51], sa[123]]], [[sa[27], sa[99]], [sa[63], sa[135]]]],
           [[[sa[7],
              sa[79]], [sa[43], sa[115]]], [[sa[19], sa[91]], [sa[55], sa[127]]], [[sa[31],
                                                                                    sa[103]], [sa[67], sa[139]]]],
           [[[sa[11], sa[83]], [sa[47], sa[119]]], [[sa[23],
                                                     sa[95]], [sa[59], sa[131]]],
            [[sa[35], sa[107]], [sa[71], sa[143]]]]]]])

    assert permutedims(po, (1, 0, 2, 3, 4, 5)) == Array(
        [[[[[[sa[0], sa[1]], [sa[2], sa[3]]], [[sa[4], sa[5]], [sa[6], sa[7]]], [[sa[8], sa[9]], [sa[10],
                                                                                                  sa[11]]]],
           [[[sa[12], sa[13]], [sa[14], sa[15]]], [[sa[16], sa[17]], [sa[18],
                                                                      sa[19]]], [[sa[20], sa[21]], [sa[22], sa[23]]]],
           [[[sa[24], sa[25]], [sa[26],
                                sa[27]]], [[sa[28], sa[29]], [sa[30], sa[31]]], [[sa[32], sa[33]], [sa[34],
                                                                                                    sa[35]]]]],
          [[[[sa[72], sa[73]], [sa[74], sa[75]]], [[sa[76], sa[77]], [sa[78],
                                                                      sa[79]]], [[sa[80], sa[81]], [sa[82], sa[83]]]],
           [[[sa[84], sa[85]], [sa[86],
                                sa[87]]], [[sa[88], sa[89]], [sa[90], sa[91]]], [[sa[92], sa[93]], [sa[94],
                                                                                                    sa[95]]]],
           [[[sa[96], sa[97]], [sa[98], sa[99]]], [[sa[100], sa[101]], [sa[102],
                                                                        sa[103]]],
            [[sa[104], sa[105]], [sa[106], sa[107]]]]]], [[[[[sa[36], sa[37]], [sa[38],
                                                                                sa[39]]],
                                                            [[sa[40], sa[41]], [sa[42], sa[43]]],
                                                            [[sa[44], sa[45]], [sa[46],
                                                                                sa[47]]]],
                                                           [[[sa[48], sa[49]], [sa[50], sa[51]]],
#.........这里部分代码省略.........
开发者ID:KonstantinTogoi,项目名称:sympy,代码行数:101,代码来源:test_arrayop.py

示例12: test_adjoint

def test_adjoint():
    assert adjoint(A).is_commutative is False
    assert adjoint(A*A) == adjoint(A)**2
    assert adjoint(A*B) == adjoint(B)*adjoint(A)
    assert adjoint(A*B**2) == adjoint(B)**2*adjoint(A)
    assert adjoint(A*B - B*A) == adjoint(B)*adjoint(A) - adjoint(A)*adjoint(B)
    assert adjoint(A + I*B) == adjoint(A) - I*adjoint(B)

    assert adjoint(X) == X
    assert adjoint(-I*X) == I*X
    assert adjoint(Y) == -Y
    assert adjoint(-I*Y) == -I*Y

    assert adjoint(X) == conjugate(transpose(X))
    assert adjoint(Y) == conjugate(transpose(Y))
    assert adjoint(X) == transpose(conjugate(X))
    assert adjoint(Y) == transpose(conjugate(Y))
开发者ID:KonstantinTogoi,项目名称:sympy,代码行数:17,代码来源:test_noncommutative.py


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