diff options
Diffstat (limited to 'FSF-2020/approximations-and-optimizations/Critical Points/example.py')
| -rw-r--r-- | FSF-2020/approximations-and-optimizations/Critical Points/example.py | 41 |
1 files changed, 2 insertions, 39 deletions
diff --git a/FSF-2020/approximations-and-optimizations/Critical Points/example.py b/FSF-2020/approximations-and-optimizations/Critical Points/example.py index bdbb6ed..3a41be7 100644 --- a/FSF-2020/approximations-and-optimizations/Critical Points/example.py +++ b/FSF-2020/approximations-and-optimizations/Critical Points/example.py @@ -18,33 +18,8 @@ class ExampleAnimation(ThreeDScene): ]),v_min = -1, v_max = 1, u_min = -1, u_max = 1, checkerboard_colors = [PURPLE_D, PURPLE_E], resolution=(20, 20)).scale(1) - fx_text = TextMobject("$\\frac{\\partial f}{\\partial x} = 4x-1+y$").to_corner(UL) - - #----fx = 4x-1+y - fx = ParametricSurface( - lambda u, v: np.array([ - u, - v, - 4*u-1+v - ]),v_min = -1, v_max = 1, u_min = -1, u_max = 1, checkerboard_colors = [BLUE_D, BLUE_E], - resolution = (20, 20)).scale(1) - - fy_text = TextMobject("$\\frac{\\partial f}{\\partial y} = -6y+1+x$").to_corner(UL) - - #----fy = -6y+1+x - fy = ParametricSurface( - lambda u, v: np.array([ - u, - v, - -6*v+1+u - ]),v_min = -1, v_max = 1, u_min = -1, u_max = 1, checkerboard_colors = [RED_D, RED_E], - resolution = (20, 20)).scale(1) - self.set_camera_orientation(phi = 75 * DEGREES) - self.begin_ambient_camera_rotation(rate=0.2) - - group1 = VGroup(axes,f,d,d_text,r_text,f_text) - group2 = VGroup(axes,fx,fx_text) + self.begin_ambient_camera_rotation(rate=0.5) self.add_fixed_in_frame_mobjects(f_text) self.wait(1) @@ -54,16 +29,4 @@ class ExampleAnimation(ThreeDScene): self.add_fixed_in_frame_mobjects(d_text) self.wait(1) self.add_fixed_in_frame_mobjects(r_text) - self.wait(2) - self.play(FadeOut(group1)) - self.wait(1) - self.add_fixed_in_frame_mobjects(fx_text) - self.add(axes) - self.play(Write(fx)) - self.wait(2) - self.play(FadeOut(group2)) - self.wait(1) - self.add_fixed_in_frame_mobjects(fy_text) - self.add(axes) - self.play(Write(fy)) - self.wait(2) + self.wait(3) |