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-rw-r--r--FSF-2020/calculus-of-several-variables/multivariable-functions-and-paritial-derivatives/limits-and-continuity-of-multivariable-functions/file1_epsilon_delta_defn.py120
1 files changed, 0 insertions, 120 deletions
diff --git a/FSF-2020/calculus-of-several-variables/multivariable-functions-and-paritial-derivatives/limits-and-continuity-of-multivariable-functions/file1_epsilon_delta_defn.py b/FSF-2020/calculus-of-several-variables/multivariable-functions-and-paritial-derivatives/limits-and-continuity-of-multivariable-functions/file1_epsilon_delta_defn.py
deleted file mode 100644
index 63b6165..0000000
--- a/FSF-2020/calculus-of-several-variables/multivariable-functions-and-paritial-derivatives/limits-and-continuity-of-multivariable-functions/file1_epsilon_delta_defn.py
+++ /dev/null
@@ -1,120 +0,0 @@
-from manimlib.imports import *
-
-class EpsilonDelta(ThreeDScene):
- def construct(self):
- axes = ThreeDAxes() # creates a 3D Axis
-
-
- sphere = ParametricSurface(
- lambda u, v: np.array([
- 2*np.sin(u)*np.cos(v),
- 2*np.sin(u)*np.sin(v),
- 2*np.cos(u)
- ]),u_min=0,u_max=PI/4,v_min=0,v_max=PI/2,checkerboard_colors=[RED_D, RED_E],
- resolution=(15, 32)).scale(2)
- #sphere.shift(0.5*RIGHT+0.5*UP)
-
- #self.set_camera_orientation(phi=0*DEGREES,theta=270*DEGREES)
- self.set_camera_orientation(phi=75 * DEGREES)
-
-
-
- circle = Circle(radius= 0.4,color = GREEN)
- circle.shift(0.5*RIGHT+0.5*UP)
-
- line1 = DashedLine(np.array([0.5, 0.1,0]), np.array([0.5, 0.1,2.1]), color = BLUE_E)
- line2 = DashedLine(np.array([0.5, 0.9,0]), np.array([0.5, 0.9,1.7]), color = BLUE_E)
- line3 = DashedLine(np.array([0, 0,2.1]), np.array([0.5, 0.1,2.1]), color = YELLOW_C)
- line4 = DashedLine(np.array([0, 0,1.7]), np.array([0.5, 0.9,1.7]), color = YELLOW_C)
-
- dot1 = Sphere()
- dot1.scale(0.01)
- dot1.move_to(np.array([0,0,1.9]))
- dot1.set_fill(BLUE_E)
-
- temp_func1 = TextMobject(r"$L$")
- temp_func1.scale(0.6)
- temp_func1.set_color(BLUE_E)
-
- dot2 = Sphere()
- dot2.scale(0.01)
- dot2.move_to(np.array([0,0,1.7]))
- dot2.set_fill(PURPLE)
-
- temp_func2 = TextMobject(r"$L - \epsilon$")
- temp_func2.scale(0.6)
- temp_func2.set_color(PURPLE)
-
- dot3 = Sphere()
- dot3.scale(0.01)
- dot3.move_to(np.array([0,0,2.1]))
- dot3.set_fill(PURPLE)
-
- temp_func3 = TextMobject(r"$L + \epsilon$")
- temp_func3.scale(0.6)
- temp_func3.set_color(PURPLE)
-
- self.add(axes)
-
- self.play(ShowCreation(dot1))
- self.add_fixed_in_frame_mobjects(temp_func1)
- temp_func1.move_to(1.9*UP)
- self.play(Write(temp_func1))
-
- self.play(ShowCreation(dot2))
- self.add_fixed_in_frame_mobjects(temp_func2)
- temp_func2.move_to(1.7*UP)
- self.play(Write(temp_func2))
-
- self.play(ShowCreation(dot3))
- self.add_fixed_in_frame_mobjects(temp_func3)
- temp_func3.move_to(2.1*UP)
- self.play(Write(temp_func3))
-
-
- circle_center = Sphere()
- circle_center.scale(0.05)
- circle_center.move_to(np.array([0.5,0.5,0]))
- circle_center.set_fill(GREEN)
-
- temp_circle_center = TextMobject(r"$(a,b,0)$")
- temp_circle_center.scale(0.5)
- temp_circle_center.set_color(GREEN)
-
- curve_circle_center = Sphere()
- curve_circle_center.scale(0.05)
- curve_circle_center.move_to(np.array([0.5,0.5,1.9]))
- curve_circle_center.set_fill(BLUE_E)
-
- temp_curve_circle_center = TextMobject(r"$(a,b,L)$")
- temp_curve_circle_center.scale(0.5)
- temp_curve_circle_center.set_color(BLUE)
-
- delta_lab = TextMobject(r"$\delta - disk$")
- delta_lab.scale(0.5)
- delta_lab.set_color(PINK)
-
- self.play(ShowCreation(circle_center))
- self.add_fixed_in_frame_mobjects(temp_circle_center)
- temp_circle_center.move_to(1.5*RIGHT)
- self.play(Write(temp_circle_center))
-
- self.play(ShowCreation(curve_circle_center))
- self.add_fixed_in_frame_mobjects(temp_curve_circle_center)
- temp_curve_circle_center.move_to(1.9*UP+1*RIGHT)
- self.play(Write(temp_curve_circle_center))
-
-
- self.add_fixed_in_frame_mobjects(delta_lab)
- delta_lab.move_to(0.4*DOWN+1.7*RIGHT)
- self.play(Write(delta_lab))
-
-
-
-
-
- self.begin_ambient_camera_rotation(rate=0.2)
- self.play(Write(sphere))
- self.play(ShowCreation(circle), ShowCreation(line1), ShowCreation(line2))
- self.play(ShowCreation(line3), ShowCreation(line4))
- self.wait(8)