diff options
Diffstat (limited to 'FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file6-maximum.py')
| -rw-r--r-- | FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file6-maximum.py | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file6-maximum.py b/FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file6-maximum.py deleted file mode 100644 index 255a0eb..0000000 --- a/FSF-2020/calculus-of-several-variables/div-curl-grad-and-all-that/gradient/file6-maximum.py +++ /dev/null @@ -1,39 +0,0 @@ -from manimlib.imports import * -import numpy as np - - -def function(coordinate): - x,y = coordinate[:2] - return np.array([ - x, - y, - 2 - x**2 - y**2 - ]) - -class ThreeDVector_one(ThreeDScene): - def construct(self): - axes = ThreeDAxes() - self.add(axes) - self.set_camera_orientation(phi=75*DEGREES,theta=45*DEGREES,distance=40) - self.begin_ambient_camera_rotation(rate=0.5) - - surface = ParametricSurface( - lambda x, y: np.array([ - x, - y, - 2 - x**2 - y**2 - ]),u_min=-2,u_max=2, v_min=-2,v_max=2).set_color(RED_E).fade(0.7) - - probe = Sphere(radius = 0.2).set_color(PURPLE_E) - probe_one = Sphere(radius = 0.1).set_color(PURPLE_E).move_to(np.array([0,0,2.1])) - text_one_b = TexMobject(r" \textrm{ reads 0 at local maximum }").next_to(probe, RIGHT, buff = SMALL_BUFF) - name = TextMobject("PROBE2.0 ").next_to(probe, DOWN, buff = SMALL_BUFF).scale(0.5) - text = VGroup(probe, text_one_b, name).to_edge(1.5*UP+0.5*LEFT).scale(0.5) - - - self.play(ShowCreation(surface)) - self.add(probe_one) - field = VectorField(function).scale(0.8) - self.play(FadeIn(field)) - self.add_fixed_in_frame_mobjects(text) - self.wait(3) |