diff options
Diffstat (limited to 'FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file2_gradient-example-1.py')
| -rw-r--r-- | FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file2_gradient-example-1.py | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file2_gradient-example-1.py b/FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file2_gradient-example-1.py deleted file mode 100644 index 7a95867..0000000 --- a/FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file2_gradient-example-1.py +++ /dev/null @@ -1,43 +0,0 @@ -from manimlib.imports import * -import numpy as np - - -def function(coordinate): - x,y = coordinate[:2] - return np.array([ - 0.4*x, - 0.4*y, - 0.4*np.cos(np.sqrt((x**2)+(y**2)) - )]) - -class ThreeDVector(ThreeDScene): - def construct(self): - axes = ThreeDAxes() - self.add(axes) - self.set_camera_orientation(phi=45*DEGREES,theta=60*DEGREES,distance=40) - self.begin_ambient_camera_rotation(rate=0.5) - - surface = ParametricSurface( - lambda u, v: np.array([ - 0.4*u, - 0.4*v, - 0.4*np.cos(np.sqrt((u**2)+(v**2))) - ]),u_min=-20,u_max=20, v_min=-10,v_max=10).set_color(BLUE_E).fade(0.7) - - text_func = TexMobject(r"\textbf{Input: Function}").shift(4.4*LEFT+3.3*UP).scale(0.7) - text_field = TexMobject(r"\textbf{Output: Vector Field}").shift(4.4*LEFT+3.3*UP).scale(0.7) - - - self.add_fixed_in_frame_mobjects(text_func) - self.play(ShowCreation(surface)) - self.wait(3) - - field = VectorField(function) - self.play(FadeIn(field), FadeOut(text_func)) - self.add_fixed_in_frame_mobjects(text_field) - self.wait() - self.play(FadeOut(surface)) - self.wait() - - - |