def construct(self):
config = {
"point_thickness" : 2*DEFAULT_POINT_THICKNESS,
"density" : 6*DEFAULT_POINT_DENSITY_1D,
}
NumberLineScene.construct(self, **config)
self.copy_original_line()
self.show_multiplication(2)
self.dither()
self.show_multiplication(3)
self.dither()
def construct(self):
config = {
"point_thickness" : 2*DEFAULT_POINT_THICKNESS,
"density" : 6*DEFAULT_POINT_DENSITY_1D,
}
NumberLineScene.construct(self, **config)
self.copy_original_line()
self.show_multiplication(2)
self.dither()
self.show_multiplication(3)
self.dither()
def construct(self):
config = {
"stroke_width": 2 * DEFAULT_POINT_THICKNESS,
"density": 6 * DEFAULT_POINT_DENSITY_1D,
}
NumberLineScene.construct(self, **config)
self.copy_original_line()
self.show_multiplication(2)
self.wait()
self.show_multiplication(3)
self.wait()
def construct(self, num, show_original_line):
config = {
"density" : max(abs(num), 1)*DEFAULT_POINT_DENSITY_1D,
"point_thickness" : 2*DEFAULT_POINT_THICKNESS
}
if abs(num) < 1:
config["numerical_radius"] = SPACE_WIDTH/num
NumberLineScene.construct(self, **config)
if show_original_line:
self.copy_original_line()
self.dither()
self.show_multiplication(num, run_time = 1.5)
self.dither()
def construct(self, num, show_original_line):
config = {
"density" : max(abs(num), 1)*DEFAULT_POINT_DENSITY_1D,
"point_thickness" : 2*DEFAULT_POINT_THICKNESS
}
if abs(num) < 1:
config["numerical_radius"] = SPACE_WIDTH/num
NumberLineScene.construct(self, **config)
if show_original_line:
self.copy_original_line()
self.dither()
self.show_multiplication(num, run_time = 1.5)
self.dither()
def run_function(self, function, explanation):
self.clear()
self.add(self.nonlinear)
config = {
"stroke_width": 2 * DEFAULT_POINT_THICKNESS,
"density": 5 * DEFAULT_POINT_DENSITY_1D,
}
NumberLineScene.construct(self, **config)
words = TextMobject(explanation).highlight(LIGHT_RED)
words.next_to(self.nonlinear, DOWN, buff=0.5)
self.add(words)
self.play(ApplyPointwiseFunction(function, self.number_line),
*[
ApplyMethod(
mob.shift,
function(mob.get_center()) - mob.get_center())
for mob in self.number_mobs
],
run_time=2.0)
def run_function(self, function, explanation):
self.clear()
self.add(self.nonlinear)
config = {
"point_thickness" : 2*DEFAULT_POINT_THICKNESS,
"density" : 5*DEFAULT_POINT_DENSITY_1D,
}
NumberLineScene.construct(self, **config)
words = TextMobject(explanation).highlight(LIGHT_RED)
words.next_to(self.nonlinear, DOWN, buff = 0.5)
self.add(words)
self.play(
ApplyPointwiseFunction(function, self.number_line),
*[
ApplyMethod(
mob.shift,
function(mob.get_center()) - mob.get_center()
)
for mob in self.number_mobs
],
run_time = 2.0
)
