Rename FSF-2020/approximations-and-optimizations/Tangent-Plane-Approximations/file3_non_differentiable_function.py to FSF-2020/calculus-of-several-variables/approximations-and-optimizations/Tangent-Plane-Approximations/file3_non_differentiable_function.py

1 files changed, 0 insertions, 30 deletions

diff --git a/FSF-2020/approximations-and-optimizations/Tangent-Plane-Approximations/file3_non_differentiable_function.py b/FSF-2020/approximations-and-optimizations/Tangent-Plane-Approximations/file3_non_differentiable_function.py
deleted file mode 100644
index 13bd73e..0000000
--- a/FSF-2020/approximations-and-optimizations/Tangent-Plane-Approximations/file3_non_differentiable_function.py
+++ /dev/null
@@ -1,30 +0,0 @@
-from manimlib.imports import*
-import math
-
-#---- tangent plane does not exists for f(x,y): sqrt(x**2+y**2) at origin
-
-class TangenttoSurface(ThreeDScene):
-    def construct(self):
-        axes = ThreeDAxes() 
-        
-        #----f(x,y): sqrt(x**2+y**2)
-        p = ParametricSurface(
-            lambda u, v: np.array([
-                u,
-                v,
-                math.sqrt(u**2+v**2)
-            ]),v_min = -1,v_max = 1, u_min = -1, u_max = 1, checkerboard_colors = [RED_C,TEAL_D],
-            resolution = (20, 20)).scale(1)
-
-        self.set_camera_orientation(phi = 75 * DEGREES)  
-         
-        d = Dot([0,0,0],color = '#800000') #----critical point
-        d_text = TextMobject("$(0,0)$").scale(0.5).shift(0.2*DOWN)
-        f_text = TextMobject("$f$ is not differentiable at origin").scale(0.5).to_corner(UL)
-
-        self.begin_ambient_camera_rotation(rate=0.1) 
-        self.add(axes)
-        self.play(Write(p),Write(d))      
-        self.add_fixed_in_frame_mobjects(d_text)
-        self.add_fixed_in_frame_mobjects(f_text)
-        self.wait(2)