Python symengine.sympify函数代码示例

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本文整理汇总了Python中symengine.sympify函数的典型用法代码示例。如果您正苦于以下问题：Python sympify函数的具体用法？Python sympify怎么用？Python sympify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sympify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: ParamPlot2D

    def ParamPlot2D(self, funcs, rng, color='blue', legend="", thickness=1):
        """
        Appends a parametric curve to the Graphics object. The parameters are as follows:

                - ``funcs``: the tupleof functions to be plotted,
                - ``rng``: a triple of the form `(t, a, b)`, where `t` is the `funcs`'s independents variable, over the range `[a, b]`,
                - ``color``: the color of the current curve,
                - ``legend``: the text for the legend of the current crve.
        """
        if self.PlotType == '':
            self.PlotType = '2D'
        elif self.PlotType != '2D':
            raise Exception("Cannot combine 2d and 3d plots")

        if self.Env == 'numeric':
            f_0 = funcs[0]
            f_1 = funcs[1]
        elif self.Env == 'sympy':
            from sympy import lambdify
            f_0 = lambdify(rng[0], funcs[0], "numpy")
            f_1 = lambdify(rng[0], funcs[1], "numpy")
        elif self.Env == 'sage':
            from sage.all import fast_callable
            f_0 = fast_callable(funcs[0], vars=[rng[0]])
            f_1 = fast_callable(funcs[1], vars=[rng[0]])
        elif self.Env == 'symengine':
            from symengine import sympify
            from sympy import lambdify
            t_f0 = sympify(funcs[0])
            t_f1 = sympify(funcs[1])
            f_0 = lambdify((xrng[0], yrng[0]), t_f0, "numpy")
            f_1 = lambdify((xrng[0], yrng[0]), t_f1, "numpy")
        else:
            raise Exception(
                "The function type is not recognized. Only 'numeric', 'sympy' and 'sage' are accepted.")

        # if self.X == []:
        stp_lngt = float(rng[2] - rng[1]) / self.NumPoints
        line_points = [rng[1] + i *
                       stp_lngt for i in range(self.NumPoints + 1)]
        TempX = [f_0(t) for t in line_points]
        self.X.append(TempX)
        if self.xmin is None:
            self.xmin = min(TempX)
            self.xmax = max(TempX)
        else:
            self.xmin = min(min(TempX), self.xmin)
            self.xmax = max(max(TempX), self.xmax)
        TempY = [f_1(t) for t in line_points]
        if self.ymin is None:
            self.ymin = min(TempY)
            self.ymax = max(TempY)
        else:
            self.ymin = min(min(TempY), self.ymin)
            self.ymax = max(max(TempY), self.ymax)
        self.Y.append(TempY)
        self.color.append(color)
        self.legend.append(legend)
        self.thickness.append(thickness)
        self.PlotCount += 1

开发者ID:mghasemi，项目名称:pyProximation，代码行数:60，代码来源:graphics.py

示例2: test_conv1b

def test_conv1b():
    x = sympy.Symbol("x")
    assert sympify(x) == Symbol("x")
    assert sympify(x) != Symbol("y")
    x = sympy.Symbol("y")
    assert sympify(x) != Symbol("x")
    assert sympify(x) == Symbol("y")

开发者ID:Upabjojr，项目名称:symengine，代码行数:7，代码来源:test_sympy_conv.py