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Python sympy.mcode函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Python中sympy.mcode函数的典型用法代码示例。如果您正苦于以下问题：Python mcode函数的具体用法？Python mcode怎么用？Python mcode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mcode函数的20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，您的评价将有助于我们的系统推荐出更棒的Python代码示例。

示例1: test_matrices

def test_matrices():
    from sympy.matrices import MutableDenseMatrix, MutableSparseMatrix, \
        ImmutableDenseMatrix, ImmutableSparseMatrix
    A = MutableDenseMatrix(
        [[1, -1, 0, 0],
         [0, 1, -1, 0],
         [0, 0, 1, -1],
         [0, 0, 0, 1]]
    )
    B = MutableSparseMatrix(A)
    C = ImmutableDenseMatrix(A)
    D = ImmutableSparseMatrix(A)

    assert mcode(C) == mcode(A) == \
        "{{1, -1, 0, 0}, " \
        "{0, 1, -1, 0}, " \
        "{0, 0, 1, -1}, " \
        "{0, 0, 0, 1}}"

    assert mcode(D) == mcode(B) == \
        "SparseArray[{" \
        "{1, 1} -> 1, {1, 2} -> -1, {2, 2} -> 1, {2, 3} -> -1, " \
        "{3, 3} -> 1, {3, 4} -> -1, {4, 4} -> 1" \
        "}, {4, 4}]"

    # Trivial cases of matrices
    assert mcode(MutableDenseMatrix(0, 0, [])) == '{}'
    assert mcode(MutableSparseMatrix(0, 0, [])) == 'SparseArray[{}, {0, 0}]'
    assert mcode(MutableDenseMatrix(0, 3, [])) == '{}'
    assert mcode(MutableSparseMatrix(0, 3, [])) == 'SparseArray[{}, {0, 3}]'
    assert mcode(MutableDenseMatrix(3, 0, [])) == '{{}, {}, {}}'
    assert mcode(MutableSparseMatrix(3, 0, [])) == 'SparseArray[{}, {3, 0}]'
开发者ID:gamechanger98，项目名称:sympy，代码行数:32，代码来源:test_mathematica.py


示例2: test_Sum

def test_Sum():
    assert mcode(Sum(sin(x), (x, 0, 10))) == "Hold[Sum[Sin[x], {x, 0, 10}]]"
    assert mcode(Sum(exp(-x**2 - y**2),
                     (x, -oo, oo),
                     (y, -oo, oo))) == \
        "Hold[Sum[Exp[-x^2 - y^2], {x, -Infinity, Infinity}, " \
        "{y, -Infinity, Infinity}]]"
开发者ID:KonstantinTogoi，项目名称:sympy，代码行数:7，代码来源:test_mathematica.py


示例3: test_Pow

def test_Pow():
    assert mcode(x**3) == "x.^3"
    assert mcode(x**(y**3)) == "x.^(y.^3)"
    assert mcode(x**Rational(2, 3)) == 'x.^(2/3)'
    g = implemented_function('g', Lambda(x, 2*x))
    assert mcode(1/(g(x)*3.5)**(x - y**x)/(x**2 + y)) == \
        "(3.5*2*x).^(-x + y.^x)./(x.^2 + y)"
开发者ID:ChaliZhg，项目名称:sympy，代码行数:7，代码来源:test_octave.py


示例4: test_Integral

def test_Integral():
    assert mcode(Integral(sin(sin(x)), x)) == "Hold[Integrate[Sin[Sin[x]], x]]"
    assert mcode(Integral(exp(-x**2 - y**2),
                          (x, -oo, oo),
                          (y, -oo, oo))) == \
        "Hold[Integrate[Exp[-x^2 - y^2], {x, -Infinity, Infinity}, " \
        "{y, -Infinity, Infinity}]]"
开发者ID:KonstantinTogoi，项目名称:sympy，代码行数:7，代码来源:test_mathematica.py


示例5: test_Mul

def test_Mul():
    A, B, C, D = symbols('A B C D', commutative=False)
    assert mcode(x*y*z) == "x*y*z"
    assert mcode(x*y*A) == "x*y*A"
    assert mcode(x*y*A*B) == "x*y*A**B"
    assert mcode(x*y*A*B*C) == "x*y*A**B**C"
    assert mcode(x*A*B*(C + D)*A*y) == "x*y*A**B**(C + D)**A"
开发者ID:KonstantinTogoi，项目名称:sympy，代码行数:7，代码来源:test_mathematica.py


示例6: test_containers

def test_containers():
    assert mcode([1, 2, 3, [4, 5, [6, 7]], 8, [9, 10], 11]) == \
        "{1, 2, 3, {4, 5, {6, 7}}, 8, {9, 10}, 11}"
    assert mcode((1, 2, (3, 4))) == "{1, 2, {3, 4}}"
    assert mcode([1]) == "{1}"
    assert mcode((1,)) == "{1}"
    assert mcode(Tuple(*[1, 2, 3])) == "{1, 2, 3}"
开发者ID:KonstantinTogoi，项目名称:sympy，代码行数:7，代码来源:test_mathematica.py


示例7: test_imag

def test_imag():
    I = S('I')
    assert mcode(I) == "1i"
    assert mcode(5*I) == "5i"
    assert mcode((S(3)/2)*I) == "3*1i/2"
    assert mcode(3+4*I) == "3 + 4i"
    assert mcode(sqrt(3)*I) == "sqrt(3)*1i"
开发者ID:Lenqth，项目名称:sympy，代码行数:7，代码来源:test_octave.py


示例8: test_Pow

def test_Pow():
    assert mcode(x**3) == "x^3"
    assert mcode(x**(y**3)) == "x^(y^3)"
    assert mcode(1/(f(x)*3.5)**(x - y**x)/(x**2 + y)) == \
        "(3.5*f[x])^(-x + y^x)/(x^2 + y)"
    assert mcode(x**-1.0) == 'x^(-1.0)'
    assert mcode(x**Rational(2, 3)) == 'x^(2/3)'
开发者ID:KonstantinTogoi，项目名称:sympy，代码行数:7，代码来源:test_mathematica.py


示例9: test_octave_matrix_1x1

def test_octave_matrix_1x1():
    A = Matrix([[3]])
    B = MatrixSymbol('B', 1, 1)
    C = MatrixSymbol('C', 1, 2)
    assert mcode(A, assign_to=B) == "B = 3;"
    # FIXME?
    #assert mcode(A, assign_to=x) == "x = 3;"
    raises(ValueError, lambda: mcode(A, assign_to=C))
开发者ID:ChaliZhg，项目名称:sympy，代码行数:8，代码来源:test_octave.py


示例10: test_octave_matrix_elements

def test_octave_matrix_elements():
    A = Matrix([[x, 2, x*y]])
    assert mcode(A[0, 0]**2 + A[0, 1] + A[0, 2]) == "x.^2 + x.*y + 2"
    A = MatrixSymbol('AA', 1, 3)
    assert mcode(A) == "AA"
    assert mcode(A[0,0]**2 + sin(A[0,1]) + A[0,2]) == \
           "sin(AA(1, 2)) + AA(1, 1).^2 + AA(1, 3)"
    assert mcode(sum(A)) == "AA(1, 1) + AA(1, 2) + AA(1, 3)"
开发者ID:ChaliZhg，项目名称:sympy，代码行数:8，代码来源:test_octave.py


示例11: test_octave_matrix_assign_to_more

def test_octave_matrix_assign_to_more():
    # assigning to Symbol or MatrixSymbol requires lhs/rhs match
    A = Matrix([[1, 2, 3]])
    B = MatrixSymbol('B', 1, 3)
    C = MatrixSymbol('C', 2, 3)
    assert mcode(A, assign_to=B) == "B = [1 2 3];"
    raises(ValueError, lambda: mcode(A, assign_to=x))
    raises(ValueError, lambda: mcode(A, assign_to=C))
开发者ID:ChaliZhg，项目名称:sympy，代码行数:8，代码来源:test_octave.py


示例12: test_Pow

def test_Pow():
    assert mcode(x**3) == "x.^3"
    assert mcode(x**(y**3)) == "x.^(y.^3)"
    assert mcode(x**Rational(2, 3)) == 'x.^(2/3)'
    g = implemented_function('g', Lambda(x, 2*x))
    assert mcode(1/(g(x)*3.5)**(x - y**x)/(x**2 + y)) == \
        "(3.5*2*x).^(-x + y.^x)./(x.^2 + y)"
    # For issue 14160
    assert mcode(Mul(-2, x, Pow(Mul(y,y,evaluate=False), -1, evaluate=False),
                                                evaluate=False)) == '-2*x./(y.*y)'
开发者ID:Lenqth，项目名称:sympy，代码行数:10，代码来源:test_octave.py


示例13: test_MatrixElement_printing

def test_MatrixElement_printing():
    # test cases for issue #11821
    A = MatrixSymbol("A", 1, 3)
    B = MatrixSymbol("B", 1, 3)
    C = MatrixSymbol("C", 1, 3)

    assert mcode(A[0, 0]) == "A(1, 1)"
    assert mcode(3 * A[0, 0]) == "3*A(1, 1)"

    F = C[0, 0].subs(C, A - B)
    assert mcode(F) == "(-B + A)(1, 1)"
开发者ID:Lenqth，项目名称:sympy，代码行数:11，代码来源:test_octave.py


示例14: test_octave_expint

def test_octave_expint():
    assert mcode(expint(1, x)) == "expint(x)"
    assert mcode(expint(2, x)) == (
        "% Not supported in Octave:\n"
        "% expint\n"
        "expint(2, x)"
    )
    assert mcode(expint(y, x)) == (
        "% Not supported in Octave:\n"
        "% expint\n"
        "expint(y, x)"
    )
开发者ID:Lenqth，项目名称:sympy，代码行数:12，代码来源:test_octave.py


示例15: test_octave_not_supported

def test_octave_not_supported():
    assert mcode(S.ComplexInfinity) == (
        "% Not supported in Octave:\n"
        "% ComplexInfinity\n"
        "zoo"
    )
    f = Function('f')
    assert mcode(f(x).diff(x)) == (
        "% Not supported in Octave:\n"
        "% Derivative\n"
        "Derivative(f(x), x)"
    )
开发者ID:ChaliZhg，项目名称:sympy，代码行数:12，代码来源:test_octave.py


示例16: test_haramard

def test_haramard():
    A = MatrixSymbol('A', 3, 3)
    B = MatrixSymbol('B', 3, 3)
    v = MatrixSymbol('v', 3, 1)
    h = MatrixSymbol('h', 1, 3)
    C = HadamardProduct(A, B)
    assert mcode(C) == "A.*B"
    assert mcode(C*v) == "(A.*B)*v"
    assert mcode(h*C*v) == "h*(A.*B)*v"
    assert mcode(C*A) == "(A.*B)*A"
    # mixing Hadamard and scalar strange b/c we vectorize scalars
    assert mcode(C*x*y) == "(x.*y)*(A.*B)"
开发者ID:ChaliZhg，项目名称:sympy，代码行数:12，代码来源:test_octave.py


示例17: test_NDArray

def test_NDArray():
    from sympy.tensor.array import (
        MutableDenseNDimArray, ImmutableDenseNDimArray,
        MutableSparseNDimArray, ImmutableSparseNDimArray)

    example = MutableDenseNDimArray(
        [[[1, 2, 3, 4],
          [5, 6, 7, 8],
          [9, 10, 11, 12]],
         [[13, 14, 15, 16],
          [17, 18, 19, 20],
          [21, 22, 23, 24]]]
    )

    assert mcode(example) == \
    "{{{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}}, " \
    "{{13, 14, 15, 16}, {17, 18, 19, 20}, {21, 22, 23, 24}}}"

    example = ImmutableDenseNDimArray(example)

    assert mcode(example) == \
    "{{{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}}, " \
    "{{13, 14, 15, 16}, {17, 18, 19, 20}, {21, 22, 23, 24}}}"

    example = MutableSparseNDimArray(example)

    assert mcode(example) == \
    "SparseArray[{" \
        "{1, 1, 1} -> 1, {1, 1, 2} -> 2, {1, 1, 3} -> 3, " \
        "{1, 1, 4} -> 4, {1, 2, 1} -> 5, {1, 2, 2} -> 6, " \
        "{1, 2, 3} -> 7, {1, 2, 4} -> 8, {1, 3, 1} -> 9, " \
        "{1, 3, 2} -> 10, {1, 3, 3} -> 11, {1, 3, 4} -> 12, " \
        "{2, 1, 1} -> 13, {2, 1, 2} -> 14, {2, 1, 3} -> 15, " \
        "{2, 1, 4} -> 16, {2, 2, 1} -> 17, {2, 2, 2} -> 18, " \
        "{2, 2, 3} -> 19, {2, 2, 4} -> 20, {2, 3, 1} -> 21, " \
        "{2, 3, 2} -> 22, {2, 3, 3} -> 23, {2, 3, 4} -> 24" \
        "}, {2, 3, 4}]"

    example = ImmutableSparseNDimArray(example)

    assert mcode(example) == \
    "SparseArray[{" \
        "{1, 1, 1} -> 1, {1, 1, 2} -> 2, {1, 1, 3} -> 3, " \
        "{1, 1, 4} -> 4, {1, 2, 1} -> 5, {1, 2, 2} -> 6, " \
        "{1, 2, 3} -> 7, {1, 2, 4} -> 8, {1, 3, 1} -> 9, " \
        "{1, 3, 2} -> 10, {1, 3, 3} -> 11, {1, 3, 4} -> 12, " \
        "{2, 1, 1} -> 13, {2, 1, 2} -> 14, {2, 1, 3} -> 15, " \
        "{2, 1, 4} -> 16, {2, 2, 1} -> 17, {2, 2, 2} -> 18, " \
        "{2, 2, 3} -> 19, {2, 2, 4} -> 20, {2, 3, 1} -> 21, " \
        "{2, 3, 2} -> 22, {2, 3, 3} -> 23, {2, 3, 4} -> 24" \
        "}, {2, 3, 4}]"
开发者ID:asmeurer，项目名称:sympy，代码行数:51，代码来源:test_mathematica.py


示例18: test_Function

def test_Function():
    assert mcode(sin(x) ** cos(x)) == "sin(x).^cos(x)"
    assert mcode(abs(x)) == "abs(x)"
    assert mcode(ceiling(x)) == "ceil(x)"
    assert mcode(arg(x)) == "angle(x)"
    assert mcode(im(x)) == "imag(x)"
    assert mcode(re(x)) == "real(x)"
    assert mcode(Max(x, y) + Min(x, y)) == "max(x, y) + min(x, y)"
    assert mcode(Max(x, y, z)) == "max(x, max(y, z))"
    assert mcode(Min(x, y, z)) == "min(x, min(y, z))"
开发者ID:KonstantinTogoi，项目名称:sympy，代码行数:10，代码来源:test_octave.py


示例19: test_matrices

def test_matrices():
    from sympy.matrices import MutableDenseMatrix, MutableSparseMatrix
    A = MutableDenseMatrix(
        [[1, -1, 0, 0],
        [0, 1, -1, 0],
        [0, 0, 1, -1],
        [0, 0, 0, 1]]
    )
    B = MutableSparseMatrix(
        [[1, -1, 0, 0],
        [0, 1, -1, 0],
        [0, 0, 1, -1],
        [0, 0, 0, 1]]
    )

    assert mcode(A) == """\
{{1, -1, 0, 0}, \
{0, 1, -1, 0}, \
{0, 0, 1, -1}, \
{0, 0, 0, 1}}\
"""
    assert mcode(B) == """\
SparseArray[\
{{1, 1} -> 1, {1, 2} -> -1, {2, 2} -> 1, {2, 3} -> -1, \
{3, 3} -> 1, {3, 4} -> -1, {4, 4} -> 1}, {4, 4}]\
"""

    # Trivial cases of matrices
    assert mcode(MutableDenseMatrix(0, 0, [])) == '{}'
    assert mcode(MutableSparseMatrix(0, 0, [])) == 'SparseArray[{}, {0, 0}]'
    assert mcode(MutableDenseMatrix(0, 3, [])) == '{}'
    assert mcode(MutableSparseMatrix(0, 3, [])) == 'SparseArray[{}, {0, 3}]'
    assert mcode(MutableDenseMatrix(3, 0, [])) == '{{}, {}, {}}'
    assert mcode(MutableSparseMatrix(3, 0, [])) == 'SparseArray[{}, {3, 0}]'
开发者ID:cklb，项目名称:sympy，代码行数:34，代码来源:test_mathematica.py


示例20: test_octave_not_supported_not_on_whitelist

def test_octave_not_supported_not_on_whitelist():
    from sympy import assoc_laguerre
    assert mcode(assoc_laguerre(x, y, z)) == (
        "% Not supported in Octave:\n"
        "% assoc_laguerre\n"
        "assoc_laguerre(x, y, z)"
    )
开发者ID:Lenqth，项目名称:sympy，代码行数:7，代码来源:test_octave.py



注：本文中的sympy.mcode函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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