diff options
Diffstat (limited to 'FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file4_gradient-example-3.py')
| -rw-r--r-- | FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file4_gradient-example-3.py | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file4_gradient-example-3.py b/FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file4_gradient-example-3.py deleted file mode 100644 index 7c0ef54..0000000 --- a/FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file4_gradient-example-3.py +++ /dev/null @@ -1,40 +0,0 @@ -from manimlib.imports import * -import numpy as np - - -def function(coordinate): - x,y = coordinate[:2] - return np.array([ - x, - y, - 1/np.cos(x*y), - ]) - -class ThreeDVector(ThreeDScene): - def construct(self): - axes = ThreeDAxes() - self.add(axes) - self.set_camera_orientation(phi=45*DEGREES,theta=45*DEGREES,distance=40) - self.begin_ambient_camera_rotation(rate=0.5) - - surface = ParametricSurface( - lambda x, y: np.array([ - x, - y, - 1/np.cos(x*y), - ]),u_min=-1.15,u_max=1.15, v_min=-1.15,v_max=1.15).set_color(BLUE_E).fade(0.7).scale(1.4) - - text_func = TexMobject(r"\textbf{Input: Function}").shift(4.4*LEFT+3.3*UP).scale(0.3) - 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(2) - - field = VectorField(function).scale(0.7) - self.play(FadeIn(field), FadeOut(text_func)) - self.add_fixed_in_frame_mobjects(text_field) - self.wait() - - self.play(FadeOut(surface)) - self.wait(2) |