1 files changed, 0 insertions, 55 deletions
diff --git a/FSF-2020/approximations-and-optimizations/Critical-Points/file2_Tangent_plane_at_extrema.py b/FSF-2020/approximations-and-optimizations/Critical-Points/file2_Tangent_plane_at_extrema.py
deleted file mode 100644
index 6889a52..0000000
--- a/FSF-2020/approximations-and-optimizations/Critical-Points/file2_Tangent_plane_at_extrema.py
+++ /dev/null
@@ -1,55 +0,0 @@
-from manimlib.imports import*  
-
-class TheoremAnimation(ThreeDScene):
-    def construct(self):
-
-        axes = ThreeDAxes()
-
-        #----parabola: x**2+y**2
-        parabola1 = ParametricSurface(  
-            lambda u, v: np.array([
-                u,
-                v,
-                u**2+v**2
-            ]),v_min=-1,v_max=1,u_min=-1,u_max=1,checkerboard_colors=[TEAL_E],
-            resolution=(20, 20)).scale(1)     
-        
-        #----parabola: -x**2-y**2
-        parabola2 = ParametricSurface(
-            lambda u, v: np.array([
-                u,
-                v,
-                -u**2-v**2
-            ]),v_min=-1,v_max=1,u_min=-1,u_max=1,checkerboard_colors=[PURPLE_E,PURPLE_E],
-            resolution=(20, 20)).scale(1)
-               
-        self.set_camera_orientation(phi=75 * DEGREES)  
-        self.begin_ambient_camera_rotation(rate=0.4)  
-
-        d = Dot(np.array([0,0,0]), color = '#800000')           #---- critical point     
-        r = Rectangle(fill_color= '#C0C0C0',fill_opacity =0.3).move_to(ORIGIN)    #----tangent plane         
-
-        parabola1_text = TextMobject("Maximum with horizontal tangent plane").scale(0.7).to_corner(UL)    
-     
-        parabola2_text = TextMobject("Minimum with horizontal tangent plane").scale(0.7).to_corner(UL)        
-
-        self.add(axes)
-        self.add_fixed_in_frame_mobjects(parabola2_text)
-        self.wait(1) 
-        self.play(Write(parabola1))
-        self.wait(1)
-        self.play(ShowCreation(d))
-        self.wait(1)
-        self.play(ShowCreation(r))     
-        self.wait(2)
-        self.play(FadeOut(parabola2_text),FadeOut(parabola1),FadeOut(r),FadeOut(d))  
-        
-        self.wait(1)
-        self.add_fixed_in_frame_mobjects(parabola1_text)
-        self.wait(1)
-        self.play(Write(parabola2))
-        self.wait(1)
-        self.play(ShowCreation(d))
-        self.wait(1)
-        self.play(ShowCreation(r))     
-        self.wait(2)