diff options
Diffstat (limited to 'FSF-2020')
2 files changed, 32 insertions, 31 deletions
diff --git a/FSF-2020/approximations-and-optimizations/Critical-Points/file1_Critical_Point_of_a_function.py b/FSF-2020/approximations-and-optimizations/Critical-Points/file1_Critical_Point_of_a_function.py new file mode 100644 index 0000000..0b15ebf --- /dev/null +++ b/FSF-2020/approximations-and-optimizations/Critical-Points/file1_Critical_Point_of_a_function.py @@ -0,0 +1,32 @@ +from manimlib.imports import* +import math as m + + +class CriticalPoint(ThreeDScene): + def construct(self): + + axes = ThreeDAxes() + surface = ParametricSurface( + lambda u, v: np.array([ + u, + v, + m.exp(-10*u**2-10*v**2) #---- function equation + ]),u_min=-1,u_max=1, v_min=-1,v_max=1,checkerboard_colors=[TEAL_E,TEAL_D,TEAL_C]).fade(0.6).scale(3.5).shift([0,0,1.5]) + + l1 = Line([0,0,3.75],[0,0,0],color = '#800000') + + d = Dot([0,0,3.75],color = '#800000') + f_text = TextMobject("Critical Point of a function",color = YELLOW).shift([3,0,3.7]).scale(0.7) + + self.add(axes) + self.set_camera_orientation(phi=75*DEGREES,theta=90*DEGREES) + self.begin_ambient_camera_rotation(rate=0.4) + self.play(Write(surface)) + self.wait(1) + self.play(Write(l1)) + self.play(Write(d)) + self.wait(2) + self.move_camera(phi=0 * DEGREES,theta = 90*DEGREES) + self.add_fixed_in_frame_mobjects(f_text) + self.wait(1) + diff --git a/FSF-2020/approximations-and-optimizations/Critical-Points/file1_Total_area_of_cross_section.py b/FSF-2020/approximations-and-optimizations/Critical-Points/file1_Total_area_of_cross_section.py deleted file mode 100644 index b1ce29c..0000000 --- a/FSF-2020/approximations-and-optimizations/Critical-Points/file1_Total_area_of_cross_section.py +++ /dev/null @@ -1,31 +0,0 @@ -from manimlib.imports import* - -class MotivationAnimation(Scene): - def construct(self): - - r = Rectangle(height = 7,breadth = 2,color = BLUE, fill_opacity = 0.3).scale(0.6) #----metal strip - b = Brace(r,UP) - r_text = TextMobject("$x$ metres",color = YELLOW).shift(3*UP) - m_text = TextMobject("Metal Strip").shift(3*DOWN) - a = Arc(radius=2).rotate(1).shift(LEFT+0.5*UP) - a2 = Arc(radius=2).rotate(5).shift(0.7*LEFT+0.9*UP).scale(0.2) - START = [1,0,0] - END = [0,3,0] - l = Line(START,END,color = RED).shift(0.9*DOWN) - a2_text = TextMobject("$\\theta$",color = PINK).shift(1.6*UP+0.4*RIGHT) - - group1 = VGroup(r_text,b,a,l,a2,a2_text) - f_text = TextMobject("$A = f(x,\\theta)$").shift(2*DOWN) - - ring = Annulus(inner_radius = 0.7, outer_radius = 1, color = BLUE) #--bent metal strip - - self.play(Write(r)) - self.wait(1) - self.play(ShowCreation(m_text)) - self.wait(1) - self.play(Write(group1)) - self.wait(2) - self.play(FadeOut(group1)) - self.wait(1) - self.play(ReplacementTransform(r,ring),ShowCreation(f_text)) - |