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Finished additive groups of efvgt

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This commit is contained in:
Grant Sanderson
2017-02-27 15:56:22 -08:00
parent 79435859de
commit 3eac6bcaf9
7 changed files with 672 additions and 96 deletions
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15
topics/complex_numbers.py
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@ -6,7 +6,7 @@ from mobject.tex_mobject import TexMobject, TextMobject
from number_line import NumberPlane
from animation import Animation
from animation.transform import ApplyPointwiseFunction
from animation.simple_animations import Homotopy
from animation.simple_animations import Homotopy, ShowCreation
from scene import Scene
@ -23,10 +23,10 @@ class ComplexTransformationScene(Scene):
"y_min" : -SPACE_HEIGHT,
"y_max" : SPACE_HEIGHT,
"use_multicolored_plane" : False,
"vert_start_color" : MAROON_B,
"vert_end_color" : RED,
"horiz_start_color" : GREEN_B,
"horiz_end_color" : YELLOW,
"vert_start_color" : BLUE,
"vert_end_color" : BLUE,
"horiz_start_color" : BLUE,
"horiz_end_color" : BLUE,
"num_anchors_to_add_per_line" : 50,
"post_transformation_stroke_width" : None,
"default_apply_complex_function_kwargs" : {
@ -68,13 +68,13 @@ class ComplexTransformationScene(Scene):
TexMobject(str(x)).shift(
background.num_pair_to_point((x, 0))
)
for x in range(-int(self.x_max), int(self.x_max))
for x in range(-int(background.x_radius), int(background.x_radius))
])
imag_labels = VGroup(*[
TexMobject("%di"%y).shift(
background.num_pair_to_point((0, y))
)
for y in range(-int(self.y_max), int(self.y_max))
for y in range(-int(background.y_radius), int(background.y_radius))
if y != 0
])
for labels in real_labels, imag_labels:
@ -127,6 +127,7 @@ class ComplexTransformationScene(Scene):
)
def z_to_point(self, z):
z = complex(z)
return self.background.num_pair_to_point((z.real, z.imag))
def get_transformer(self, **kwargs):