예제 #1
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def test_issue1512():
    assert abs(pi._evalf(50) - 3.14159265358979) < 1e-10
    assert abs(E._evalf(50) - 2.71828182845905) < 1e-10
    assert abs(Catalan._evalf(50) - 0.915965594177219) < 1e-10
    assert abs(EulerGamma._evalf(50) - 0.577215664901533) < 1e-10
    assert abs(GoldenRatio._evalf(50) - 1.61803398874989) < 1e-10
    x = Symbol("x")
    assert (pi+x).evalf() == pi.evalf()+x
    assert (E+x).evalf() == E.evalf()+x
    assert (Catalan+x).evalf() == Catalan.evalf()+x
    assert (EulerGamma+x).evalf() == EulerGamma.evalf()+x
    assert (GoldenRatio+x).evalf() == GoldenRatio.evalf()+x
예제 #2
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def test_issue_4611():
    assert abs(pi._evalf(50) - 3.14159265358979) < 1e-10
    assert abs(E._evalf(50) - 2.71828182845905) < 1e-10
    assert abs(Catalan._evalf(50) - 0.915965594177219) < 1e-10
    assert abs(EulerGamma._evalf(50) - 0.577215664901533) < 1e-10
    assert abs(GoldenRatio._evalf(50) - 1.61803398874989) < 1e-10
    x = Symbol("x")
    assert (pi + x).evalf() == pi.evalf() + x
    assert (E + x).evalf() == E.evalf() + x
    assert (Catalan + x).evalf() == Catalan.evalf() + x
    assert (EulerGamma + x).evalf() == EulerGamma.evalf() + x
    assert (GoldenRatio + x).evalf() == GoldenRatio.evalf() + x
예제 #3
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def test_fcode_NumberSymbol():
    prec = 17
    p = FCodePrinter()
    assert fcode(
        Catalan
    ) == "      parameter (Catalan = %sd0)\n      Catalan" % Catalan.evalf(
        prec)
    assert fcode(
        EulerGamma
    ) == "      parameter (EulerGamma = %sd0)\n      EulerGamma" % EulerGamma.evalf(
        prec)
    assert fcode(E) == "      parameter (E = %sd0)\n      E" % E.evalf(prec)
    assert fcode(
        GoldenRatio
    ) == "      parameter (GoldenRatio = %sd0)\n      GoldenRatio" % GoldenRatio.evalf(
        prec)
    assert fcode(
        pi) == "      parameter (pi = %sd0)\n      pi" % pi.evalf(prec)
    assert fcode(
        pi,
        precision=5) == "      parameter (pi = %sd0)\n      pi" % pi.evalf(5)
    assert fcode(Catalan, human=False) == (
        set([(Catalan, p._print(Catalan.evalf(prec)))]),
        set([]),
        "      Catalan",
    )
    assert fcode(EulerGamma, human=False) == (
        set([(EulerGamma, p._print(EulerGamma.evalf(prec)))]),
        set([]),
        "      EulerGamma",
    )
    assert fcode(E, human=False) == (
        set([(E, p._print(E.evalf(prec)))]),
        set([]),
        "      E",
    )
    assert fcode(GoldenRatio, human=False) == (
        set([(GoldenRatio, p._print(GoldenRatio.evalf(prec)))]),
        set([]),
        "      GoldenRatio",
    )
    assert fcode(pi, human=False) == (
        set([(pi, p._print(pi.evalf(prec)))]),
        set([]),
        "      pi",
    )
    assert fcode(pi, precision=5, human=False) == (
        set([(pi, p._print(pi.evalf(5)))]),
        set([]),
        "      pi",
    )
예제 #4
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def test_acceleration():
    e = (1 + 1/n)**n
    assert round(richardson(e, n, 10, 20).evalf(), 10) == round(E.evalf(), 10)

    A = Sum(Integer(-1)**(k + 1) / k, (k, 1, n))
    assert round(shanks(A, n, 25).evalf(), 4) == round(log(2).evalf(), 4)
    assert round(shanks(A, n, 25, 5).evalf(), 10) == round(log(2).evalf(), 10)
예제 #5
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파일: test_fcode.py 프로젝트: tuhina/sympy
def test_fcode_NumberSymbol():
    p = FCodePrinter()
    assert fcode(
        Catalan
    ) == '      parameter (Catalan = 0.915965594177219d0)\n      Catalan'
    assert fcode(
        EulerGamma
    ) == '      parameter (EulerGamma = 0.577215664901533d0)\n      EulerGamma'
    assert fcode(E) == '      parameter (E = 2.71828182845905d0)\n      E'
    assert fcode(
        GoldenRatio
    ) == '      parameter (GoldenRatio = 1.61803398874989d0)\n      GoldenRatio'
    assert fcode(pi) == '      parameter (pi = 3.14159265358979d0)\n      pi'
    assert fcode(pi,
                 precision=5) == '      parameter (pi = 3.1416d0)\n      pi'
    assert fcode(Catalan, human=False) == (set([
        (Catalan, p._print(Catalan.evalf(15)))
    ]), set([]), '      Catalan')
    assert fcode(EulerGamma, human=False) == (set([
        (EulerGamma, p._print(EulerGamma.evalf(15)))
    ]), set([]), '      EulerGamma')
    assert fcode(E, human=False) == (set([(E, p._print(E.evalf(15)))]),
                                     set([]), '      E')
    assert fcode(GoldenRatio, human=False) == (set([
        (GoldenRatio, p._print(GoldenRatio.evalf(15)))
    ]), set([]), '      GoldenRatio')
    assert fcode(pi, human=False) == (set([(pi, p._print(pi.evalf(15)))]),
                                      set([]), '      pi')
    assert fcode(pi, precision=5, human=False) == (set([
        (pi, p._print(pi.evalf(5)))
    ]), set([]), '      pi')
예제 #6
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def test_fcode_NumberSymbol():
    assert fcode(
        Catalan
    ) == '      parameter (Catalan = 0.915965594177219)\n      Catalan'
    assert fcode(
        EulerGamma
    ) == '      parameter (EulerGamma = 0.577215664901533)\n      EulerGamma'
    assert fcode(E) == '      parameter (E = 2.71828182845905)\n      E'
    assert fcode(
        GoldenRatio
    ) == '      parameter (GoldenRatio = 1.61803398874989)\n      GoldenRatio'
    assert fcode(pi) == '      parameter (pi = 3.14159265358979)\n      pi'
    assert fcode(pi, precision=5) == '      parameter (pi = 3.1416)\n      pi'
    assert fcode(Catalan, human=False) == ([('Catalan', Catalan.evalf(15))],
                                           set([]), '      Catalan')
    assert fcode(EulerGamma,
                 human=False) == ([('EulerGamma', EulerGamma.evalf(15))],
                                  set([]), '      EulerGamma')
    assert fcode(E, human=False) == ([('E', E.evalf(15))], set([]), '      E')
    assert fcode(GoldenRatio,
                 human=False) == ([('GoldenRatio', GoldenRatio.evalf(15))],
                                  set([]), '      GoldenRatio')
    assert fcode(pi,
                 human=False) == ([('pi', pi.evalf(15))], set([]), '      pi')
    assert fcode(pi, precision=5,
                 human=False) == ([('pi', pi.evalf(5))], set([]), '      pi')
예제 #7
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def test_sympy():
    x = Symbol('x', real = True)
    assert -oo < oo
    assert not(-1.5 < -oo)
    assert (1 - exp(x)).is_negative is None
    assert Matrix([[1, 2], [3, 4]])**Integer(2) == Matrix([[7, 10], [15, 22]])
    assertAlmostEqual(E._evalf(50), math.e)
    assert solve(1/x, x) == [] # issue 1694
    assert solve(-(1 + x)/(2 + x)**2 + 1/(2 + x), x) == [] # issue 1694
    assert limit(1 + 1/x, x, 0, dir='-') == -oo
    assert limit(1/x**2, x, 0, dir='-') == oo
    assert sympify(u'45') == 45 # issue 2508
예제 #8
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def test_sympy():
    x = Symbol('x', real=True)
    assert -oo < oo
    assert not (-1.5 < -oo)
    assert (1 - exp(x)).is_negative is None
    assert Matrix([[1, 2], [3, 4]])**Integer(2) == Matrix([[7, 10], [15, 22]])
    assertAlmostEqual(E._evalf(50), math.e)
    assert solve(1 / x, x) == []  # issue 1694
    assert solve(-(1 + x) / (2 + x)**2 + 1 / (2 + x), x) == []  # issue 1694
    assert limit(1 + 1 / x, x, 0, dir='-') == -oo
    assert limit(1 / x**2, x, 0, dir='-') == oo
    assert sympify(u'45') == 45  # issue 2508
예제 #9
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def test_fcode_NumberSymbol():
    prec = 17
    p = FCodePrinter()
    assert fcode(Catalan) == '      parameter (Catalan = %sd0)\n      Catalan' % Catalan.evalf(prec)
    assert fcode(EulerGamma) == '      parameter (EulerGamma = %sd0)\n      EulerGamma' % EulerGamma.evalf(prec)
    assert fcode(E) == '      parameter (E = %sd0)\n      E' % E.evalf(prec)
    assert fcode(GoldenRatio) == '      parameter (GoldenRatio = %sd0)\n      GoldenRatio' % GoldenRatio.evalf(prec)
    assert fcode(pi) == '      parameter (pi = %sd0)\n      pi' % pi.evalf(prec)
    assert fcode(
        pi, precision=5) == '      parameter (pi = %sd0)\n      pi' % pi.evalf(5)
    assert fcode(Catalan, human=False) == (set(
        [(Catalan, p._print(Catalan.evalf(prec)))]), set([]), '      Catalan')
    assert fcode(EulerGamma, human=False) == (set([(EulerGamma, p._print(
        EulerGamma.evalf(prec)))]), set([]), '      EulerGamma')
    assert fcode(E, human=False) == (
        set([(E, p._print(E.evalf(prec)))]), set([]), '      E')
    assert fcode(GoldenRatio, human=False) == (set([(GoldenRatio, p._print(
        GoldenRatio.evalf(prec)))]), set([]), '      GoldenRatio')
    assert fcode(pi, human=False) == (
        set([(pi, p._print(pi.evalf(prec)))]), set([]), '      pi')
    assert fcode(pi, precision=5, human=False) == (
        set([(pi, p._print(pi.evalf(5)))]), set([]), '      pi')
예제 #10
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def test_fcode_NumberSymbol():
    prec = 17
    p = FCodePrinter()
    assert fcode(Catalan) == '      parameter (Catalan = %sd0)\n      Catalan' % Catalan.evalf(prec)
    assert fcode(EulerGamma) == '      parameter (EulerGamma = %sd0)\n      EulerGamma' % EulerGamma.evalf(prec)
    assert fcode(E) == '      parameter (E = %sd0)\n      E' % E.evalf(prec)
    assert fcode(GoldenRatio) == '      parameter (GoldenRatio = %sd0)\n      GoldenRatio' % GoldenRatio.evalf(prec)
    assert fcode(pi) == '      parameter (pi = %sd0)\n      pi' % pi.evalf(prec)
    assert fcode(
        pi, precision=5) == '      parameter (pi = %sd0)\n      pi' % pi.evalf(5)
    assert fcode(Catalan, human=False) == (set(
        [(Catalan, p._print(Catalan.evalf(prec)))]), set([]), '      Catalan')
    assert fcode(EulerGamma, human=False) == (set([(EulerGamma, p._print(
        EulerGamma.evalf(prec)))]), set([]), '      EulerGamma')
    assert fcode(E, human=False) == (
        set([(E, p._print(E.evalf(prec)))]), set([]), '      E')
    assert fcode(GoldenRatio, human=False) == (set([(GoldenRatio, p._print(
        GoldenRatio.evalf(prec)))]), set([]), '      GoldenRatio')
    assert fcode(pi, human=False) == (
        set([(pi, p._print(pi.evalf(prec)))]), set([]), '      pi')
    assert fcode(pi, precision=5, human=False) == (
        set([(pi, p._print(pi.evalf(5)))]), set([]), '      pi')
예제 #11
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def test_fcode_NumberSymbol():
    assert fcode(Catalan) == '      parameter (Catalan = 0.915965594177219)\n      Catalan'
    assert fcode(EulerGamma) == '      parameter (EulerGamma = 0.577215664901533)\n      EulerGamma'
    assert fcode(E) == '      parameter (E = 2.71828182845905)\n      E'
    assert fcode(GoldenRatio) == '      parameter (GoldenRatio = 1.61803398874989)\n      GoldenRatio'
    assert fcode(pi) == '      parameter (pi = 3.14159265358979)\n      pi'
    assert fcode(pi,precision=5) == '      parameter (pi = 3.1416)\n      pi'
    assert fcode(Catalan,human=False) == ([('Catalan', Catalan.evalf(15))], set([]), '      Catalan')
    assert fcode(EulerGamma,human=False) == ([('EulerGamma', EulerGamma.evalf(15))], set([]), '      EulerGamma')
    assert fcode(E,human=False) == ([('E', E.evalf(15))], set([]), '      E')
    assert fcode(GoldenRatio,human=False) == ([('GoldenRatio', GoldenRatio.evalf(15))], set([]), '      GoldenRatio')
    assert fcode(pi,human=False) == ([('pi', pi.evalf(15))], set([]), '      pi')
    assert fcode(pi,precision=5,human=False) == ([('pi', pi.evalf(5))], set([]), '      pi')
예제 #12
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파일: test_fcode.py 프로젝트: Jerryy/sympy
def test_fcode_NumberSymbol():
    p = FCodePrinter()
    assert fcode(Catalan) == '      parameter (Catalan = 0.915965594177219d0)\n      Catalan'
    assert fcode(EulerGamma) == '      parameter (EulerGamma = 0.577215664901533d0)\n      EulerGamma'
    assert fcode(E) == '      parameter (E = 2.71828182845905d0)\n      E'
    assert fcode(GoldenRatio) == '      parameter (GoldenRatio = 1.61803398874989d0)\n      GoldenRatio'
    assert fcode(pi) == '      parameter (pi = 3.14159265358979d0)\n      pi'
    assert fcode(pi,precision=5) == '      parameter (pi = 3.1416d0)\n      pi'
    assert fcode(Catalan,human=False) == (set([(Catalan, p._print(Catalan.evalf(15)))]), set([]), '      Catalan')
    assert fcode(EulerGamma,human=False) == (set([(EulerGamma, p._print(EulerGamma.evalf(15)))]), set([]), '      EulerGamma')
    assert fcode(E,human=False) == (set([(E, p._print(E.evalf(15)))]), set([]), '      E')
    assert fcode(GoldenRatio,human=False) == (set([(GoldenRatio, p._print(GoldenRatio.evalf(15)))]), set([]), '      GoldenRatio')
    assert fcode(pi,human=False) == (set([(pi, p._print(pi.evalf(15)))]), set([]), '      pi')
    assert fcode(pi,precision=5,human=False) == (set([(pi, p._print(pi.evalf(5)))]), set([]), '      pi')
예제 #13
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def test_issue_5383():
    func = (1.0 * 1 + 1.0 * x)**(1.0 * 1 / x)
    assert limit(func, x, 0) == E.n()
예제 #14
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# -*- coding: utf-8 -*-
"""
Created on Mon Jun 24 09:48:39 2019

@author: arianafm
"""

from sympy import pi, E, oo, cos
#E : Euler
#oo : Infinito
radio = 5
#Sin el evalf la operación queda expresada únicamente.
area = pow((pi.evalf() * radio), 2)
print(area)
#5**3
print(E.evalf())
print(oo.evalf())

# V A R I A B L E S  S I M B Ó L I C A S
#a
#Símbolos
x = Symbol('x')
y = Symbol('y')
print(x)
print(y)
#Muchos símbolos a la vez
a, b, c = symbols('a,b,c')
print(a, b, c)

#Te devuelve una tupla que va desde q hasta w
variables = var('q:w')