def graph_function(
self,
func,
color=BLUE,
animate=False,
is_main_graph=True,
):
def parameterized_function(alpha):
x = interpolate(self.x_min, self.x_max, alpha)
return self.coords_to_point(x, func(x))
graph = ParametricFunction(
parameterized_function,
color=color,
num_anchor_points=self.num_graph_anchor_points,
)
graph.underlying_function = func
if is_main_graph:
self.graph = graph
self.func = func
if animate:
self.play(ShowCreation(graph))
self.add(graph)
return graph
def get_graph(
self, func,
color = None,
x_min = None,
x_max = None,
):
if color is None:
color = self.default_graph_colors_cycle.next()
if x_min is None:
x_min = self.x_min
if x_max is None:
x_max = self.x_max
def parameterized_function(alpha):
x = interpolate(x_min, x_max, alpha)
y = func(x)
if not np.isfinite(y):
y = self.y_max
return self.coords_to_point(x, y)
graph = ParametricFunction(
parameterized_function,
color = color,
num_anchor_points = self.num_graph_anchor_points,
)
graph.underlying_function = func
return graph
def get_graph(
self, func,
color = None,
x_min = None,
x_max = None,
):
if color is None:
color = self.default_graph_colors_cycle.next()
if x_min is None:
x_min = self.x_min
if x_max is None:
x_max = self.x_max
def parameterized_function(alpha):
x = interpolate(x_min, x_max, alpha)
y = func(x)
if not np.isfinite(y):
y = self.y_max
return self.coords_to_point(x, y)
graph = ParametricFunction(
parameterized_function,
color = color,
num_anchor_points = self.num_graph_anchor_points,
)
graph.underlying_function = func
return graph
def get_graph(self, function, num_graph_points=None, **kwargs):
kwargs["fill_opacity"] = kwargs.get("fill_opacity", 0)
kwargs["num_anchor_points"] = \
num_graph_points or self.default_num_graph_points
graph = ParametricFunction(
lambda t: self.coords_to_point(t, function(t)),
t_min=self.x_min,
t_max=self.x_max,
**kwargs)
graph.underlying_function = function
return graph
