Rename file5_f(x,y)=(y-x)(1-2x-3y).py to file6_f(x,y)=(y-x)(1-2x-3y).py

1 files changed, 0 insertions, 29 deletions

diff --git a/FSF-2020/calculus-of-several-variables/approximations-and-optimizations/Critical-Points/file5_f(x,y)=(y-x)(1-2x-3y).py b/FSF-2020/calculus-of-several-variables/approximations-and-optimizations/Critical-Points/file5_f(x,y)=(y-x)(1-2x-3y).py
deleted file mode 100644
index 41c3b61..0000000
--- a/FSF-2020/calculus-of-several-variables/approximations-and-optimizations/Critical-Points/file5_f(x,y)=(y-x)(1-2x-3y).py
+++ /dev/null
@@ -1,29 +0,0 @@
-from manimlib.imports import*
-
-#---- visualization of the function 
-class ExampleAnimation(ThreeDScene):
-    def construct(self):
-        axes = ThreeDAxes()
-        label_x = TextMobject("$x$").shift([5.5,-0.5,0]) #---- x axis
-        label_y = TextMobject("$y$").shift([-0.5,5.5,0]).rotate(-4.5) #---- y axis     
-
-        #---- f(x,y) = (y-x)(1-2x-3y)
-        surface = ParametricSurface(
-            lambda u, v: np.array([
-                u,
-                v,
-                (v-u)*(1-2*u-3*v)
-            ]),v_min = -1, v_max = 1, u_min = -1, u_max = 1, checkerboard_colors = [PURPLE_B,PURPLE_C,PURPLE_D, PURPLE_E]).scale(1).fade(0.2).shift([0.2,0.2,0])   
-
-        f_text = TextMobject("$f(x,y) = (y-x)(1-2x-3y)$").to_corner(UL)    
-        
-        self.set_camera_orientation(phi = 60 * DEGREES, theta = 75 * DEGREES)
-        self.begin_ambient_camera_rotation(rate=0.1)
-        self.add_fixed_in_frame_mobjects(f_text)
-        self.wait(1) 
-        self.add(axes)
-        self.add(label_x)
-        self.add(label_y)
-        self.wait(1)
-        self.play(Write(f))
-        self.wait(4)