def parametric_curve(self):
"""
return a parametric curve with the same graph as `self`.
"""
from yanntricks.src.Constructors import phyFunction
from yanntricks.src.Constructors import ParametricCurve
if self._parametric_curve:
return self._parametric_curve
x = var('x')
curve = ParametricCurve(phyFunction(x), self, (self.mx, self.Mx))
curve.parameters = self.parameters.copy()
curve.linear_plotpoints = self.linear_plotpoints
curve.curvature_plotpoints = self.curvature_plotpoints
curve.added_plotpoints = self.added_plotpoints
curve._representativeParameters = self._representativeParameters
self._parametric_curve = curve
return curve
def graph(self, mx, Mx):
from yanntricks.src.Constructors import ParametricCurve
gr = ParametricCurve(self.f1, self.f2, (mx, Mx))
gr.parameters = self.parameters.copy()
return gr