opensource/manim
1
0
Fork 0
mirror of https://github.com/3b1b/manim.git synced 2025-08-02 19:46:21 +08:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'master' into holomorphic

Browse Source
This commit is contained in:
Grant Sanderson
2018-07-11 11:43:50 -07:00
committed by GitHub
parent 151a270913 c97015bdb2
commit c5df669f90
4 changed files with 20 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
old_projects/matrix_as_transform_2d.py
View File

@ -93,12 +93,14 @@ class ExamplesOfOneDimensionalLinearTransforms(ShowMultiplication):
class ExamplesOfNonlinearOneDimensionalTransforms(NumberLineScene):
def construct(self):
def sinx_plux_x(xxx_todo_changeme):
(x, y, z) = xxx_todo_changeme
def sinx_plux_x(x_y_z):
(x, y, z) = x_y_z
return (np.sin(x) + 1.2*x, y, z)
def shift_zero(xxx_todo_changeme2):
(x, y, z) = xxx_todo_changeme2
def shift_zero(x_y_z):
(x, y, z) = x_y_z
return (2*x+4, y, z)
self.nonlinear = TextMobject("Not a Linear Transform")
self.nonlinear.set_color(LIGHT_RED).to_edge(UP, buff = 1.5)
pairs = [
@ -295,12 +297,14 @@ class ExamplesOfTwoDimensionalLinearTransformations(ShowMatrixTransform):
class ExamplesOfNonlinearTwoDimensionalTransformations(Scene):
def construct(self):
Scene.construct(self)
def squiggle(xxx_todo_changeme3):
(x, y, z) = xxx_todo_changeme3
def squiggle(x_y_z):
(x, y, z) = x_y_z
return (x+np.sin(y), y+np.cos(x), z)
def shift_zero(xxx_todo_changeme4):
(x, y, z) = xxx_todo_changeme4
def shift_zero(x_y_z):
(x, y, z) = x_y_z
return (2*x + 3*y + 4, -1*x+y+2, z)
self.nonlinear = TextMobject("Nonlinear Transform")
self.nonlinear.set_color(LIGHT_RED)
self.nonlinear.to_edge(UP, buff = 1.5)
@ -386,12 +390,13 @@ class TrickyExamplesOfNonlinearTwoDimensionalTransformations(Scene):
UP*FRAME_Y_RADIUS+RIGHT*FRAME_X_RADIUS,
density = 10*DEFAULT_POINT_DENSITY_1D
)
def sunrise(xxx_todo_changeme5):
(x, y, z) = xxx_todo_changeme5
def sunrise(x_y_z):
(x, y, z) = x_y_z
return ((FRAME_Y_RADIUS+y)*x, y, z)
def squished(xxx_todo_changeme6):
(x, y, z) = xxx_todo_changeme6
def squished(x_y_z):
(x, y, z) = x_y_z
return (x + np.sin(x), y+np.sin(y), z)
self.get_blackness()