Python _group_parentheses示例

示例#1

def implicit_multiplication(result, local_dict, global_dict):
    """Makes the multiplication operator optional in most cases.

    Use this before :func:`implicit_application`, otherwise expressions like
    ``sin 2x`` will be parsed as ``x * sin(2)`` rather than ``sin(2*x)``.

    Example:

    >>> from sympy.parsing.sympy_parser import (parse_expr,
    ... standard_transformations, implicit_multiplication)
    >>> transformations = standard_transformations + (implicit_multiplication,)
    >>> parse_expr('3 x y', transformations=transformations)
    3*x*y
    """
    for step in (_group_parentheses(implicit_multiplication), _apply_functions,
                 _implicit_multiplication):
        result = step(result, local_dict, global_dict)

    result = _flatten(result)
    return result

示例#2

文件： utils.py 项目： Jose-/sympy_gamma

def implicit_multiplication(result, local_dict, global_dict):
    """Makes the multiplication operator optional in most cases.

    Use this before :func:`implicit_application`, otherwise expressions like
    ``sin 2x`` will be parsed as ``x * sin(2)`` rather than ``sin(2*x)``.

    Example:

    >>> from sympy.parsing.sympy_parser import (parse_expr,
    ... standard_transformations, implicit_multiplication)
    >>> transformations = standard_transformations + (implicit_multiplication,)
    >>> parse_expr('3 x y', transformations=transformations)
    3*x*y
    """
    for step in (_group_parentheses(implicit_multiplication),
                 _apply_functions,
                 _implicit_multiplication):
        result = step(result, local_dict, global_dict)

    result = _flatten(result)
    return result