def replacement33(p, Pm, b, a, n, Qm, x):

        m = Expon(Pm, x)
        rubi.append(33)
        return Dist(
            Coeff(Qm, x, m + S(-1)) / (m * Coeff(Pm, x, m)),
            Subst(Int((a + b * x**n)**p, x), x, Pm), x)
    def replacement34(p, Pm, b, n2, c, a, n, Qm, x):

        m = Expon(Pm, x)
        rubi.append(34)
        return Dist(
            Coeff(Qm, x, m + S(-1)) / (m * Coeff(Pm, x, m)),
            Subst(Int((a + b * x**n + c * x**(S(2) * n))**p, x), x, Pm), x)
Пример #3
0
def replacement36(Pm, Qm, a, b, c, n, n2, p, x):

    m = Expon(Pm, x)
    return Dist(
        Coeff(Qm, x, m + S(-1)) / (m * Coeff(Pm, x, m)),
        Subst(Int((a + b * x**n + c * x**(S(2) * n))**p, x), x, Pm),
        x,
    )
Пример #4
0
def replacement35(Pm, Qm, a, b, n, p, x):

    m = Expon(Pm, x)
    return Dist(
        Coeff(Qm, x, m + S(-1)) / (m * Coeff(Pm, x, m)),
        Subst(Int((a + b * x**n)**p, x), x, Pm),
        x,
    )
 def With1(x, m, u):
     c = D(u, x)
     return Subst(Int(x**m, x), x, u) / c
Пример #6
0
def replacement29(a, b, c, d, e, p, x):
    return Dist(d / b, Subst(Int(x**p, x), x, a + b * x + c * x**S(2)), x)
Пример #7
0
 def With1882(x, m, u):
     c = D(u, x)
     rubi.append(1882)
     return Dist(S(1) / c, Subst(Int(x**m, x), x, u), x)
 def replacement27(p, b, d, c, a, x, e):
     rubi.append(27)
     return Dist(d / b, Subst(Int(x**p, x), x, a + b * x + c * x**S(2)), x)
Пример #9
0
def integrand_simplification(rubi):
    pattern1 = Pattern(
        Integral((a_ + x_**WC('n', S(1)) * WC('b', S(1)))**WC('p', S(1)) *
                 WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda p, x: FreeQ(p, x)),
        CustomConstraint(lambda a: ZeroQ(a)))
    rule1 = ReplacementRule(pattern1,
                            lambda p, b, u, a, x, n: Int(u * (b * x**n)**p, x))
    rubi.add(rule1)

    pattern2 = Pattern(
        Integral(
            (a_ + x_**WC('j', S(1)) * WC('c', S(1)) +
             x_**WC('n', S(1)) * WC('b', S(1)))**WC('p', S(1)) * WC('u', S(1)),
            x_), CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda p, x: FreeQ(p, x)),
        CustomConstraint(lambda n, j: ZeroQ(j - S(2) * n)),
        CustomConstraint(lambda a: ZeroQ(a)))
    rule2 = ReplacementRule(
        pattern2, lambda j, b, p, u, a, x, n, c: Int(
            u * (b * x**n + c * x**(S(2) * n))**p, x))
    rubi.add(rule2)

    pattern3 = Pattern(
        Integral((x_**WC('j', S(1)) * WC('c', S(1)) +
                  x_**WC('n', S(1)) * WC('b', S(1)) + WC('a', S(0)))**WC(
                      'p', S(1)) * WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda p, x: FreeQ(p, x)),
        CustomConstraint(lambda n, j: ZeroQ(j - S(2) * n)),
        CustomConstraint(lambda b: ZeroQ(b)))
    rule3 = ReplacementRule(
        pattern3,
        lambda j, b, p, u, a, x, n, c: Int(u * (a + c * x**(S(2) * n))**p, x))
    rubi.add(rule3)

    pattern4 = Pattern(
        Integral((x_**WC('j', S(1)) * WC('c', S(1)) +
                  x_**WC('n', S(1)) * WC('b', S(1)) + WC('a', S(0)))**WC(
                      'p', S(1)) * WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda p, x: FreeQ(p, x)),
        CustomConstraint(lambda n, j: ZeroQ(j - S(2) * n)),
        CustomConstraint(lambda c: ZeroQ(c)))
    rule4 = ReplacementRule(
        pattern4, lambda j, b, p, u, a, x, n, c: Int(u * (a + b * x**n)**p, x))
    rubi.add(rule4)

    pattern5 = Pattern(
        Integral((v_ * WC('a', S(1)) + v_ * WC('b', S(1)) + WC('w', S(0)))**WC(
            'p', S(1)) * WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda x, v: NFreeQ(v, x)))
    rule5 = ReplacementRule(
        pattern5, lambda p, b, v, u, a, x, w: Int(u * (v * (a + b) + w)**p, x))
    rubi.add(rule5)

    pattern6 = Pattern(Integral(Pm_**p_ * WC('u', S(1)), x_),
                       CustomConstraint(lambda p, x: FreeQ(p, x)),
                       CustomConstraint(lambda x, Pm: PolyQ(Pm, x)),
                       CustomConstraint(lambda p: Not(RationalQ(p))),
                       CustomConstraint(lambda p: RationalQ(p)))
    rule6 = ReplacementRule(pattern6, lambda u, x, p, Pm: Int(Pm**p * u, x))
    rubi.add(rule6)

    pattern7 = Pattern(Integral(a_, x_),
                       CustomConstraint(lambda a, x: FreeQ(a, x)),
                       CustomConstraint(lambda a, x: FreeQ(a, x)))
    rule7 = ReplacementRule(pattern7, lambda a, x: a * x)
    rubi.add(rule7)

    pattern8 = Pattern(
        Integral(a_ * (b_ + x_ * WC('c', S(1))), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda a, c, b, x: FreeQ(List(a, b, c), x)))
    rule8 = ReplacementRule(
        pattern8, lambda a, c, b, x: a * (b + c * x)**S(2) / (S(2) * c))
    rubi.add(rule8)

    pattern9 = Pattern(Integral(-u_, x_))
    rule9 = ReplacementRule(pattern9, lambda u, x: I * Int(u, x))
    rubi.add(rule9)

    pattern10 = Pattern(Integral(u_ * Complex(S(0), a_), x_),
                        CustomConstraint(lambda a, x: FreeQ(a, x)),
                        CustomConstraint(lambda a: EqQ(a**S(2), S(1))))
    rule10 = ReplacementRule(pattern10,
                             lambda u, a, x: Int(u, x) * Complex(I, a))
    rubi.add(rule10)

    pattern11 = Pattern(Integral(a_ * u_, x_),
                        CustomConstraint(lambda a, x: FreeQ(a, x)),
                        CustomConstraint(lambda a, x: FreeQ(a, x)))
    rule11 = ReplacementRule(pattern11, lambda u, a, x: a * Int(u, x))
    rubi.add(rule11)

    pattern12 = Pattern(Integral(u_, x_), CustomConstraint(lambda u: SumQ(u)))
    rule12 = ReplacementRule(pattern12, lambda u, x: IntSum(u, x))
    rubi.add(rule12)

    pattern13 = Pattern(
        Integral(v_**WC('m', S(1)) * (b_ * v_)**n_ * WC('u', S(1)), x_),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda m: IntegerQ(m)))
    rule13 = ReplacementRule(
        pattern13,
        lambda b, v, u, m, x, n: b**(-m) * Int(u * (b * v)**(m + n), x))
    rubi.add(rule13)

    pattern14 = Pattern(
        Integral((v_ * WC('a', S(1)))**m_ *
                 (v_ * WC('b', S(1)))**n_ * WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda m, x: FreeQ(m, x)),
        CustomConstraint(lambda m: Not(IntegerQ(m))),
        CustomConstraint(lambda n: PositiveIntegerQ(n + S(1) / 2)),
        CustomConstraint(lambda m, n: IntegerQ(m + n)))
    rule14 = ReplacementRule(
        pattern14, lambda b, v, u, m, a, x, n: a**(m + S(1) / 2) * b**
        (n + S(-1) / 2) * sqrt(b * v) * Int(u * v**(m + n), x) / sqrt(a * v))
    rubi.add(rule14)

    pattern15 = Pattern(
        Integral((v_ * WC('a', S(1)))**m_ *
                 (v_ * WC('b', S(1)))**n_ * WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda m, x: FreeQ(m, x)),
        CustomConstraint(lambda m: Not(IntegerQ(m))),
        CustomConstraint(lambda n: NegativeIntegerQ(n + S(-1) / 2)),
        CustomConstraint(lambda m, n: IntegerQ(m + n)))
    rule15 = ReplacementRule(
        pattern15, lambda b, v, u, m, a, x, n: a**(m + S(-1) / 2) * b**
        (n + S(1) / 2) * sqrt(a * v) * Int(u * v**(m + n), x) / sqrt(b * v))
    rubi.add(rule15)

    pattern16 = Pattern(
        Integral((v_ * WC('a', S(1)))**m_ *
                 (v_ * WC('b', S(1)))**n_ * WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda m, x: FreeQ(m, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda m: Not(IntegerQ(m))),
        CustomConstraint(lambda n: Not(IntegerQ(n))),
        CustomConstraint(lambda m, n: IntegerQ(m + n)))
    rule16 = ReplacementRule(
        pattern16, lambda b, v, u, m, a, x, n: a**(m + n) * (a * v)**(-n) *
        (b * v)**n * Int(u * v**(m + n), x))
    rubi.add(rule16)

    pattern17 = Pattern(
        Integral((v_ * WC('a', S(1)))**m_ *
                 (v_ * WC('b', S(1)))**n_ * WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda m, x: FreeQ(m, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda m: Not(IntegerQ(m))),
        CustomConstraint(lambda n: Not(IntegerQ(n))),
        CustomConstraint(lambda m, n: Not(IntegerQ(m + n))))
    rule17 = ReplacementRule(
        pattern17,
        lambda b, v, u, m, a, x, n: a**(-IntPart(n)) * b**IntPart(n) *
        (a * v)**(-FracPart(n)) *
        (b * v)**FracPart(n) * Int(u * (a * v)**(m + n), x))
    rubi.add(rule17)

    pattern18 = Pattern(
        Integral((a_ + v_ * WC('b', S(1)))**WC('m', S(1)) *
                 (c_ + v_ * WC('d', S(1)))**WC('n', S(1)) * WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda d, x: FreeQ(d, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda a, c, b, d: ZeroQ(-a * d + b * c)),
        CustomConstraint(lambda m: IntegerQ(m)),
        CustomConstraint(lambda b, a, x, d, n, c: Not(IntegerQ(n)) | SimplerQ(
            c + d * x, a + b * x)))
    rule18 = ReplacementRule(
        pattern18, lambda b, v, u, m, a, x, d, n, c:
        (b / d)**m * Int(u * (c + d * v)**(m + n), x))
    rubi.add(rule18)

    pattern19 = Pattern(
        Integral((a_ + v_ * WC('b', S(1)))**m_ *
                 (c_ + v_ * WC('d', S(1)))**n_ * WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda d, x: FreeQ(d, x)),
        CustomConstraint(lambda m, x: FreeQ(m, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda a, c, b, d: ZeroQ(-a * d + b * c)),
        CustomConstraint(lambda b, d: PositiveQ(b / d)),
        CustomConstraint(lambda m, n: Not(IntegerQ(m) | IntegerQ(n))))
    rule19 = ReplacementRule(
        pattern19, lambda b, v, u, m, a, x, d, n, c:
        (b / d)**m * Int(u * (c + d * v)**(m + n), x))
    rubi.add(rule19)

    pattern20 = Pattern(
        Integral((a_ + v_ * WC('b', S(1)))**m_ *
                 (c_ + v_ * WC('d', S(1)))**n_ * WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda d, x: FreeQ(d, x)),
        CustomConstraint(lambda m, x: FreeQ(m, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda a, c, b, d: ZeroQ(-a * d + b * c)),
        CustomConstraint(lambda m, n, b, d: Not(
            IntegerQ(m) | IntegerQ(n) | PositiveQ(b / d))))
    rule20 = ReplacementRule(
        pattern20, lambda b, v, u, m, a, x, d, n, c: (a + b * v)**m *
        (c + d * v)**(-m) * Int(u * (c + d * v)**(m + n), x))
    rubi.add(rule20)

    pattern21 = Pattern(
        Integral(
            (v_ * WC('a', S(1)))**m_ *
            (v_**S(2) * WC('c', S(1)) + v_ * WC('b', S(1))) * WC('u', S(1)),
            x_), CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda m: RationalQ(m)),
        CustomConstraint(lambda m: LessEqual(m, S(-1))))
    rule21 = ReplacementRule(
        pattern21,
        lambda b, v, u, m, a, x, c: Int(u * (a * v)**(m + S(1)) *
                                        (b + c * v), x) / a)
    rubi.add(rule21)

    pattern22 = Pattern(
        Integral(
            (a_ + v_ * WC('b', S(1)))**m_ *
            (v_**S(2) * WC('C', S(1)) + v_ * WC('B', S(1)) + WC('A', S(0))) *
            WC('u', S(1)), x_), CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda A, x: FreeQ(A, x)),
        CustomConstraint(lambda B, x: FreeQ(B, x)),
        CustomConstraint(lambda C, x: FreeQ(C, x)),
        CustomConstraint(lambda b, A, B, a, C: ZeroQ(A * b**S(2) - B * a * b +
                                                     C * a**S(2))),
        CustomConstraint(lambda m: RationalQ(m)),
        CustomConstraint(lambda m: LessEqual(m, S(-1))))
    rule22 = ReplacementRule(
        pattern22, lambda b, v, u, A, B, m, a, x, C: Int(
            u * (a + b * v)**
            (m + S(1)) * Simp(B * b - C * a + C * b * v, x), x) / b**S(2))
    rubi.add(rule22)

    pattern23 = Pattern(
        Integral((a_ + x_**WC('n', S(1)) * WC('b', S(1)))**WC('m', S(1)) *
                 (c_ + x_**WC('q', S(1)) * WC('d', S(1)))**WC('p', S(1)) *
                 WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda d, x: FreeQ(d, x)),
        CustomConstraint(lambda m, x: FreeQ(m, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda n, q: ZeroQ(n + q)),
        CustomConstraint(lambda p: IntegerQ(p)),
        CustomConstraint(lambda a, c, b, d: ZeroQ(a * c - b * d)),
        CustomConstraint(lambda m, n: Not(IntegerQ(m) & NegQ(n))))
    rule23 = ReplacementRule(
        pattern23, lambda q, p, b, u, m, a, x, d, n, c:
        (d / a)**p * Int(u * x**(-n * p) * (a + b * x**n)**(m + p), x))
    rubi.add(rule23)

    pattern24 = Pattern(
        Integral((a_ + x_**WC('n', S(1)) * WC('b', S(1)))**WC('m', S(1)) *
                 (c_ + x_**j_ * WC('d', S(1)))**WC('p', S(1)) * WC('u', S(1)),
                 x_), CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda d, x: FreeQ(d, x)),
        CustomConstraint(lambda m, x: FreeQ(m, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda p, x: FreeQ(p, x)),
        CustomConstraint(lambda n, j: ZeroQ(j - S(2) * n)),
        CustomConstraint(lambda m, p: ZeroQ(m + p)),
        CustomConstraint(lambda a, c, b, d: ZeroQ(a**S(2) * d + b**S(2) * c)),
        CustomConstraint(lambda a: PositiveQ(a)),
        CustomConstraint(lambda d: NegativeQ(d)))
    rule24 = ReplacementRule(
        pattern24, lambda p, b, j, u, m, a, x, d, n, c:
        (-b**S(2) / d)**m * Int(u * (a - b * x**n)**(-m), x))
    rubi.add(rule24)

    pattern25 = Pattern(
        Integral((a_ + x_**S(2) * WC('c', S(1)) + x_ * WC('b', S(1)))**WC(
            'p', S(1)) * WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda a, c, b: ZeroQ(-S(4) * a * c + b**S(2))),
        CustomConstraint(lambda p: IntegerQ(p)))
    rule25 = ReplacementRule(
        pattern25, lambda p, b, u, a, x, c: Int(
            S(2)**(-S(2) * p) * c**(-p) * u *
            (b + S(2) * c * x)**(S(2) * p), x))
    rubi.add(rule25)

    pattern26 = Pattern(
        Integral(
            (a_ + x_**n_ * WC('b', S(1)) + x_**WC('n2', S(1)) * WC('c', S(1)))
            **WC('p', S(1)) * WC('u', S(1)), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda n, n2: ZeroQ(-S(2) * n + n2)),
        CustomConstraint(lambda a, c, b: ZeroQ(-S(4) * a * c + b**S(2))),
        CustomConstraint(lambda p: IntegerQ(p)))
    rule26 = ReplacementRule(
        pattern26, lambda n2, p, b, u, a, x, n, c: c**
        (-p) * Int(u * (b / S(2) + c * x**n)**(S(2) * p), x))
    rubi.add(rule26)

    pattern27 = Pattern(
        Integral(
            (d_ + x_ * WC('e', S(1))) *
            (x_**S(2) * WC('c', S(1)) + x_ * WC('b', S(1)) + WC('a', S(0)))**
            WC('p', S(1)), x_), CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda d, x: FreeQ(d, x)),
        CustomConstraint(lambda e, x: FreeQ(e, x)),
        CustomConstraint(lambda p, x: FreeQ(p, x)),
        CustomConstraint(lambda e, c, b, d: ZeroQ(-b * e + S(2) * c * d)))
    rule27 = ReplacementRule(
        pattern27, lambda p, b, a, x, d, e, c: d * Subst(
            Int(x**p, x), x, a + b * x + c * x**S(2)) / b)
    rubi.add(rule27)

    pattern28 = Pattern(
        Integral(
            (x_**WC('p', S(1)) * WC('a', S(1)) +
             x_**WC('q', S(1)) * WC('b', S(1)))**WC('m', S(1)) * WC('u', S(1)),
            x_), CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda p, x: FreeQ(p, x)),
        CustomConstraint(lambda q, x: FreeQ(q, x)),
        CustomConstraint(lambda m: IntegerQ(m)),
        CustomConstraint(lambda q, p: PosQ(-p + q)))
    rule28 = ReplacementRule(
        pattern28, lambda q, p, b, u, m, a, x: Int(
            u * x**(m * p) * (a + b * x**(-p + q))**m, x))
    rubi.add(rule28)

    pattern29 = Pattern(
        Integral(
            (x_**WC('p', S(1)) * WC('a', S(1)) +
             x_**WC('q', S(1)) * WC('b', S(1)) +
             x_**WC('r', S(1)) * WC('c', S(1)))**WC('m', S(1)) * WC('u', S(1)),
            x_), CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda c, x: FreeQ(c, x)),
        CustomConstraint(lambda p, x: FreeQ(p, x)),
        CustomConstraint(lambda q, x: FreeQ(q, x)),
        CustomConstraint(lambda r, x: FreeQ(r, x)),
        CustomConstraint(lambda m: IntegerQ(m)),
        CustomConstraint(lambda q, p: PosQ(-p + q)),
        CustomConstraint(lambda r, p: PosQ(-p + r)))
    rule29 = ReplacementRule(
        pattern29, lambda q, r, p, b, u, m, a, x, c: Int(
            u * x**(m * p) * (a + b * x**(-p + q) + c * x**(-p + r))**m, x))
    rubi.add(rule29)

    pattern30 = Pattern(
        Integral(x_**WC('m', S(1)) / (a_ + x_**n_ * WC('b', S(1))), x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda m, x: FreeQ(m, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda m, n: ZeroQ(m - n + S(1))))
    rule30 = ReplacementRule(
        pattern30, lambda b, m, a, x, n: log(RemoveContent(a + b * x**n, x)) /
        (b * n))
    rubi.add(rule30)

    pattern31 = Pattern(
        Integral(x_**WC('m', S(1)) * (a_ + x_**n_ * WC('b', S(1)))**p_, x_),
        CustomConstraint(lambda a, x: FreeQ(a, x)),
        CustomConstraint(lambda b, x: FreeQ(b, x)),
        CustomConstraint(lambda m, x: FreeQ(m, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda p, x: FreeQ(p, x)),
        CustomConstraint(lambda m, n: ZeroQ(m - n + S(1))),
        CustomConstraint(lambda p: NonzeroQ(p + S(1))))
    rule31 = ReplacementRule(
        pattern31, lambda p, b, m, a, x, n: (a + b * x**n)**(p + S(1)) /
        (b * n * (p + S(1))))
    rubi.add(rule31)

    pattern32 = Pattern(
        Integral(
            x_**WC('m', S(1)) *
            (a1_ + x_**WC('n', S(1)) * WC('b1', S(1)))**p_ *
            (a2_ + x_**WC('n', S(1)) * WC('b2', S(1)))**p_, x_),
        CustomConstraint(lambda a1, x: FreeQ(a1, x)),
        CustomConstraint(lambda b1, x: FreeQ(b1, x)),
        CustomConstraint(lambda a2, x: FreeQ(a2, x)),
        CustomConstraint(lambda b2, x: FreeQ(b2, x)),
        CustomConstraint(lambda m, x: FreeQ(m, x)),
        CustomConstraint(lambda n, x: FreeQ(n, x)),
        CustomConstraint(lambda p, x: FreeQ(p, x)),
        CustomConstraint(lambda b2, b1, a1, a2: ZeroQ(a1 * b2 + a2 * b1)),
        CustomConstraint(lambda m, n: ZeroQ(m - S(2) * n + S(1))),
        CustomConstraint(lambda p: NonzeroQ(p + S(1))))
    rule32 = ReplacementRule(
        pattern32, lambda p, a1, b2, m, x, a2, n, b1:
        (a1 + b1 * x**n)**(p + S(1)) * (a2 + b2 * x**n)**(p + S(1)) /
        (S(2) * b1 * b2 * n * (p + S(1))))
    rubi.add(rule32)
    '''
    pattern33 = Pattern(Integral(Qm_*(Pm_**WC('n', S(1))*WC('b', S(1)) + WC('a', S(0)))**WC('p', S(1)), x_), CustomConstraint(lambda a, x: FreeQ(a, x)), CustomConstraint(lambda b, x: FreeQ(b, x)), CustomConstraint(lambda n, x: FreeQ(n, x)), CustomConstraint(lambda p, x: FreeQ(p, x)), CustomConstraint(lambda x, Pm: PolyQ(Pm, x)), CustomConstraint(lambda Qm, x: PolyQ(Qm, x)), )
    def With33(p, b, a, x, n, Qm, Pm):
        m = Expon(Pm, x)
        if Equal(Expon(Qm, x), m + S(-1)) & ZeroQ(-Qm*m*Coeff(Pm, x, m) + Coeff(Qm, x, m + S(-1))*D(Pm, x)):
            return Coeff(Qm, x, m + S(-1))*Subst(Int((a + b*x**n)**p, x), x, Pm)/(m*Coeff(Pm, x, m))
        print("Unable to Integrate")
    rule33 = ReplacementRule(pattern33, lambda p, b, a, x, n, Qm, Pm : With33(p, b, a, x, n, Qm, Pm))
    rubi.add(rule33)

    pattern34 = Pattern(Integral(Qm_*(Pm_**WC('n', S(1))*WC('b', S(1)) + Pm_**WC('n2', S(1))*WC('c', S(1)) + WC('a', S(0)))**WC('p', S(1)), x_), CustomConstraint(lambda a, x: FreeQ(a, x)), CustomConstraint(lambda b, x: FreeQ(b, x)), CustomConstraint(lambda c, x: FreeQ(c, x)), CustomConstraint(lambda n, x: FreeQ(n, x)), CustomConstraint(lambda p, x: FreeQ(p, x)), CustomConstraint(lambda n, n2: ZeroQ(-S(2)*n + n2)), CustomConstraint(lambda x, Pm: PolyQ(Pm, x)), CustomConstraint(lambda Qm, x: PolyQ(Qm, x)), )
    def With34(n2, p, b, a, x, n, Qm, c, Pm):
        m = Expon(Pm, x)
        if Equal(Expon(Qm, x), m + S(-1)) & ZeroQ(-Qm*m*Coeff(Pm, x, m) + Coeff(Qm, x, m + S(-1))*D(Pm, x)):
            return Coeff(Qm, x, m + S(-1))*Subst(Int((a + b*x**n + c*x**(S(2)*n))**p, x), x, Pm)/(m*Coeff(Pm, x, m))
        print("Unable to Integrate")
    rule34 = ReplacementRule(pattern34, lambda n2, p, b, a, x, n, Qm, c, Pm : With34(n2, p, b, a, x, n, Qm, c, Pm))
    rubi.add(rule34)

    pattern35 = Pattern(Integral(Pq_**m_*Qr_**p_*WC('u', S(1)), x_), CustomConstraint(lambda m: PositiveIntegerQ(m)), CustomConstraint(lambda p: NegativeIntegerQ(p)), CustomConstraint(lambda Pq, x: PolyQ(Pq, x)), CustomConstraint(lambda Qr, x: PolyQ(Qr, x)), )
    def With35(Qr, p, u, Pq, m, x):
        gcd = PolyGCD(Pq, Qr, x)
        if NonzeroQ(gcd + S(-1)):
            return Int(gcd**(m + p)*u*PolynomialQuotient(Pq, gcd, x)**m*PolynomialQuotient(Qr, gcd, x)**p, x)
        print("Unable to Integrate")
    rule35 = ReplacementRule(pattern35, lambda Qr, p, u, Pq, m, x : With35(Qr, p, u, Pq, m, x))
    rubi.add(rule35)

    pattern36 = Pattern(Integral(Pq_*Qr_**p_*WC('u', S(1)), x_), CustomConstraint(lambda p: NegativeIntegerQ(p)), CustomConstraint(lambda Pq, x: PolyQ(Pq, x)), CustomConstraint(lambda Qr, x: PolyQ(Qr, x)), )
    def With36(Qr, p, u, Pq, x):
        gcd = PolyGCD(Pq, Qr, x)
        if NonzeroQ(gcd + S(-1)):
            return Int(gcd**(p + S(1))*u*PolynomialQuotient(Pq, gcd, x)*PolynomialQuotient(Qr, gcd, x)**p, x)
        print("Unable to Integrate")
    rule36 = ReplacementRule(pattern36, lambda Qr, p, u, Pq, x : With36(Qr, p, u, Pq, x))
    rubi.add(rule36)
    '''
    return rubi
Пример #10
0
def With1885(m, u, x):
    c = D(u, x)
    return Dist(S(1) / c, Subst(Int(x**m, x), x, u), x)
Пример #11
0
 def With35(a, n, Pm, c, Qm, n2, x, b, p):
     m = Expon(Pm, x)
     return Coeff(Qm, x, m + S(-1)) * Subst(
         Int((a + b * x**n + c * x**(S(2) * n))**p, x), x,
         Pm) / (m * Coeff(Pm, x, m))
Пример #12
0
 def With34(a, Pm, n, Qm, x, b, p):
     m = Expon(Pm, x)
     return Coeff(Qm, x, m + S(-1)) * Subst(Int(
         (a + b * x**n)**p, x), x, Pm) / (m * Coeff(Pm, x, m))