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Diffstat (limited to 'FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals')
7 files changed, 449 insertions, 0 deletions
diff --git a/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/README.md b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/README.md new file mode 100644 index 0000000..2166a79 --- /dev/null +++ b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/README.md @@ -0,0 +1,6 @@ +**file1_3D_crossproduct.py** + +**file2_cylindrical_coordinates.py** + +**file2_spherical_coordinates.py** + diff --git a/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file1_3D_crossproduct.gif b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file1_3D_crossproduct.gif Binary files differnew file mode 100644 index 0000000..9bde5a1 --- /dev/null +++ b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file1_3D_crossproduct.gif diff --git a/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file1_3D_crossproduct.py b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file1_3D_crossproduct.py new file mode 100644 index 0000000..6720e7e --- /dev/null +++ b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file1_3D_crossproduct.py @@ -0,0 +1,120 @@ +from manimlib.imports import* + + + +class TripleBox(ThreeDScene): + + def construct(self): + + axes=ThreeDAxes() + cube=Cube(fill_color=RED,fill_opacity=0.5) + cube.scale(0.5) + cube.shift(0.5*RIGHT+0.5*DOWN+0.5*OUT) + cube.shift(2*RIGHT+2*DOWN+1*OUT) + + + + x=TextMobject("x") + y=TextMobject("y") + z=TextMobject("z") + + x.rotate(PI/2, axis=RIGHT) + x.rotate(PI/4,axis=OUT) + x.shift(5.8*DOWN) + + y.rotate(PI/2, axis=RIGHT) + y.rotate(PI/8,axis=OUT) + y.shift(5.8*RIGHT) + + z.rotate(PI/2, axis=RIGHT) + z.rotate(PI/5,axis=OUT) + z.shift(3.2*OUT+0.4*LEFT) + axis_label=VGroup(x,y,z) + + + + + a=TextMobject("a") + b=TextMobject("b") + c=TextMobject("c") + d=TextMobject("d") + e=TextMobject("e") + f=TextMobject("f") + + + + a.rotate(PI/2, axis=RIGHT) + a.rotate(PI/2, axis=OUT) + a.shift(2*DOWN+0.3*OUT+0.3*LEFT) + + b.rotate(PI/2, axis=RIGHT) + b.rotate(PI/2, axis=OUT) + b.shift(3*DOWN+0.3*OUT+0.3*LEFT) + + + c.rotate(PI/2, axis=RIGHT) + c.shift(2*RIGHT+0.3*OUT) + + d.rotate(PI/2, axis=RIGHT) + d.shift(3*RIGHT+0.3*OUT) + + + e.rotate(PI/2, axis=RIGHT) + e.rotate(PI/4, axis=OUT) + e.shift(1*OUT+0.3*DOWN+0.2*LEFT) + + + f.rotate(PI/2, axis=RIGHT) + f.rotate(PI/4, axis=OUT) + f.shift(2*OUT+0.3*DOWN+0.2*LEFT) + + + + rec1=Rectangle(height=1, width=8,color=RED, fill_color=RED_C, fill_opacity=0.40) + rec1.shift(2.5*DOWN+4*RIGHT) + + rec2=Rectangle(height=1, width=14,color=RED, fill_color=RED_C, fill_opacity=0.40) + rec2.rotate(PI/2, axis=OUT) + rec2.shift(7*DOWN+2.5*RIGHT) + + + sq=Square(color=RED,fill_opacity=60,side_length=1) + sq.shift(2.5*RIGHT+2.5*DOWN) + + + + self.set_camera_orientation(phi=70 * DEGREES,theta=-70*DEGREES) + self.play(ShowCreation(axes),ShowCreation(axis_label)) + self.begin_ambient_camera_rotation(rate=0.04) + self.play(ShowCreation(a),ShowCreation(b)) + self.wait(0.5) + self.play(ShowCreation(rec1)) + self.play(ShowCreation(c),ShowCreation(d)) + self.play(ShowCreation(rec2)) + self.add(sq) + self.wait(0.5) + + self.play(FadeOut(rec1),FadeOut(rec2)) + self.wait(1) + + self.play(ShowCreation(e),ShowCreation(f)) + self.wait(0.5) + self.play(ApplyMethod(sq.shift, 1*OUT)) + self.wait(0.5) + self.play(Transform(sq,cube)) + + + self.wait(0.5) + + + + self.wait(0.5) + + + + + self.wait(3) + self.stop_ambient_camera_rotation() + self.wait(1.5) + + diff --git a/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file2_cylindrical_coordinates.gif b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file2_cylindrical_coordinates.gif Binary files differnew file mode 100644 index 0000000..e913750 --- /dev/null +++ b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file2_cylindrical_coordinates.gif diff --git a/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file2_cylindrical_coordinates.py b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file2_cylindrical_coordinates.py new file mode 100644 index 0000000..d441dc0 --- /dev/null +++ b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file2_cylindrical_coordinates.py @@ -0,0 +1,164 @@ +from manimlib.imports import* +class Cy(ThreeDScene): + + def construct(self): + + axes=ThreeDAxes() + x=TextMobject("X") + y=TextMobject("Y") + z=TextMobject("Z") + + x.rotate(PI/2, axis=RIGHT) + x.rotate(PI/4,axis=OUT) + x.shift(5.8*DOWN) + + y.rotate(PI/2, axis=RIGHT) + y.rotate(PI/8,axis=OUT) + y.shift(5.8*RIGHT) + + z.rotate(PI/2, axis=RIGHT) + z.rotate(PI/5,axis=OUT) + z.shift(3.2*OUT+0.4*LEFT) + axis_label=VGroup(x,y,z) + + + + + + + + x1=TextMobject("$x_{1}$") + y1=TextMobject("$y_{1}$") + z1=TextMobject("$z_{1}$") + + + + + x1.rotate(PI/2, axis=RIGHT) + x1.rotate(PI/2, axis=OUT) + x1.shift(2*DOWN+0.3*OUT+0.3*LEFT) + + y1.rotate(PI/2, axis=RIGHT) + y1.shift(2*RIGHT+0.3*OUT) + + z1.rotate(PI/2, axis=RIGHT) + z1.rotate(PI/4, axis=OUT) + z1.shift(2*OUT+0.3*DOWN+0.2*LEFT) + + + d1=Dot(color=RED,radius=0.05) + d2=Dot(color=RED,radius=0.05) + d3=Dot(color=RED,radius=0.05) + + + d1.shift(2*DOWN) + d1.rotate(PI/2,axis=UP) + + d2.rotate(PI/2, axis=RIGHT) + d2.shift(2*RIGHT) + + d3.rotate(PI/2, axis=RIGHT) + d3.rotate(PI/4, axis=OUT) + d3.shift(2*OUT) + + + + l1=DashedLine(color=RED) + l1.scale(5) + l1.shift(2*DOWN+5*RIGHT) + + l2=DashedLine(color=RED) + l2.scale(5) + l2.rotate(PI/2, axis=IN) + l2.shift(2*RIGHT+5*DOWN) + + l3=DashedLine(color=RED) + l3.scale(5) + l3.rotate(PI/4,axis=IN) + l3.shift(2*OUT+4*RIGHT+4*DOWN) + + point=Sphere(radius=0.02, checkerboard_colors=[BLUE,BLUE]) + point.shift(2*RIGHT+2*DOWN) + + proj=Line() + proj.scale(1.414) + proj.rotate(PI/4,axis=IN) + proj.shift(1*RIGHT+1*DOWN) + + + projl=DashedLine() + projl.rotate(PI/2, axis=DOWN) + projl.shift(1*OUT+2*RIGHT+2*DOWN) + + p=TextMobject("$P(x,y,z)$") + p.scale(0.6) + p.rotate(PI/2, axis=RIGHT) + p.rotate(PI/9, axis=OUT) + p.shift(2.9*RIGHT+2.5*DOWN+2.3*OUT) + + rho=TextMobject(r"$\rho$",tex_to_color_map={r"$\rho$": YELLOW}) + rho.rotate(PI/2, axis=RIGHT) + rho.shift(1.5*RIGHT+1.36*DOWN+0.2*OUT) + + + + + carrow=CurvedArrow(start_point=1*DOWN, end_point=0.5*RIGHT+0.5*DOWN) + + + phi=TextMobject(r"$\phi$",tex_to_color_map={"$\phi$": YELLOW}) + phi.scale(0.93) + phi.rotate(PI/2, axis=RIGHT) + phi.shift(0.3*RIGHT+1.3*DOWN) + + + + + + + + + + + self.set_camera_orientation(phi=70 * DEGREES,theta=-15*DEGREES) + self.play(ShowCreation(axes),ShowCreation(axis_label)) + self.begin_ambient_camera_rotation(rate=-0.1) + + self.play(ShowCreation(x1),ShowCreation(d1)) + self.wait(0.5) + self.play(ShowCreation(l1)) + self.wait(1) + self.play(ShowCreation(y1),ShowCreation(d2)) + self.wait(0.5) + self.play(ShowCreation(l2)) + self.wait(1) + self.add(point) + self.wait(0.5) + self.play(FadeOut(l1),FadeOut(l2)) + self.wait(0.5) + self.play(ShowCreation(proj)) + self.wait(0.64) + self.stop_ambient_camera_rotation() + self.play(ShowCreation(rho)) + self.wait(1) + + self.play(ShowCreation(z1),ShowCreation(d3)) + self.wait(0.5) + self.play(ShowCreation(l3)) + self.wait(1) + self.play(ApplyMethod(point.shift, 2*OUT), ShowCreation(projl)) + self.play(FadeOut(l3)) + self.play(ShowCreation(p),FadeOut(projl)) + self.wait(0.5) + # self.play(ShowCreation(vec)) + + + + + + self.wait(1) + self.play(ShowCreation(carrow),ShowCreation(phi)) + + self.wait(5) + + diff --git a/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file2_spherical_coordinates.gif b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file2_spherical_coordinates.gif Binary files differnew file mode 100644 index 0000000..6dc8b17 --- /dev/null +++ b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file2_spherical_coordinates.gif diff --git a/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file2_spherical_coordinates.py b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file2_spherical_coordinates.py new file mode 100644 index 0000000..7dcc81a --- /dev/null +++ b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/triple-integrals/file2_spherical_coordinates.py @@ -0,0 +1,159 @@ +from manimlib.imports import* +class Sp(ThreeDScene): + + def construct(self): + + axes=ThreeDAxes() + x=TextMobject("X") + y=TextMobject("Y") + z=TextMobject("Z") + + x.rotate(PI/2, axis=RIGHT) + x.rotate(PI/4,axis=OUT) + x.shift(5.8*DOWN) + + y.rotate(PI/2, axis=RIGHT) + y.rotate(PI/8,axis=OUT) + y.shift(5.8*RIGHT) + + z.rotate(PI/2, axis=RIGHT) + z.rotate(PI/5,axis=OUT) + z.shift(3.2*OUT+0.4*LEFT) + axis_label=VGroup(x,y,z) + + + + + + + + x1=TextMobject("$x_{1}$") + y1=TextMobject("$y_{1}$") + z1=TextMobject("$z_{1}$") + + + + + x1.rotate(PI/2, axis=RIGHT) + x1.rotate(PI/2, axis=OUT) + x1.shift(2*DOWN+0.3*OUT+0.3*LEFT) + + y1.rotate(PI/2, axis=RIGHT) + y1.shift(2*RIGHT+0.3*OUT) + + z1.rotate(PI/2, axis=RIGHT) + z1.rotate(PI/4, axis=OUT) + z1.shift(2*OUT+0.3*DOWN+0.2*LEFT) + + + d1=Dot(color=RED,radius=0.05) + d2=Dot(color=RED,radius=0.05) + d3=Dot(color=RED,radius=0.05) + + + d1.shift(2*DOWN) + d1.rotate(PI/2,axis=UP) + + d2.rotate(PI/2, axis=RIGHT) + d2.shift(2*RIGHT) + + d3.rotate(PI/2, axis=RIGHT) + d3.rotate(PI/4, axis=OUT) + d3.shift(2*OUT) + + + + l1=DashedLine(color=RED) + l1.scale(5) + l1.shift(2*DOWN+5*RIGHT) + + l2=DashedLine(color=RED) + l2.scale(5) + l2.rotate(PI/2, axis=IN) + l2.shift(2*RIGHT+5*DOWN) + + l3=DashedLine(color=RED) + l3.scale(5) + l3.rotate(PI/4,axis=IN) + l3.shift(2*OUT+4*RIGHT+4*DOWN) + + point=Sphere(radius=0.02, checkerboard_colors=[RED,RED]) + + + proj=DashedLine(color=RED_C) + proj.scale(1.414) + proj.rotate(PI/4,axis=IN) + proj.shift(1*RIGHT+1*DOWN) + + + projl=DashedLine() + projl.rotate(PI/2, axis=UP) + projl.shift(1*OUT+2*RIGHT+2*DOWN) + + p=TextMobject("$P(x,y,z)$") + p.scale(0.6) + p.rotate(PI/2, axis=RIGHT) + p.rotate(PI/9, axis=OUT) + p.shift(2.65*RIGHT+2.5*DOWN+2.3*OUT) + + rho=TextMobject(r"$\rho$",tex_to_color_map={r"$\rho$": YELLOW}) + rho.rotate(PI/2, axis=RIGHT) + rho.shift(1.45*RIGHT+1.9*DOWN+1.94*OUT) + + + + + + carrow=ArcBetweenPoints(start=1*DOWN, end=0.5*RIGHT+0.5*DOWN) + carrow2=ArcBetweenPoints(start=0.5*RIGHT+0.5*DOWN+0.5*OUT, end=0.4*OUT) + # carrow2.rotate(PI/2, axis=LEFT) + # carrow2.rotate(PI/2, axis=UP) + + theta=TextMobject(r"$\theta$",tex_to_color_map={r"$\theta$": YELLOW}) + theta.shift((0.75*OUT+0.2*RIGHT)) + theta.rotate(PI/2,axis=RIGHT) + theta.scale(0.9) + + + + + phi=TextMobject(r"$\phi$",tex_to_color_map={"$\phi$": YELLOW}) + phi.scale(0.93) + phi.rotate(PI/2, axis=RIGHT) + phi.shift(0.42*RIGHT+1.3*DOWN) + + + + + + + + + + + self.set_camera_orientation(phi=70 * DEGREES,theta=-85*DEGREES) + self.play(ShowCreation(axes),ShowCreation(axis_label)) + self.begin_ambient_camera_rotation(rate=0.009) + self.wait(1) + self.add(point) + self.play(ApplyMethod(point.shift, 2*RIGHT+2*DOWN+2*OUT)) + self.wait(0.5) + self.play(ShowCreation(p)) + self.wait(0.5) + self.play(ShowCreation(vec),ShowCreation(rho)) + self.wait(1.5) + self.play(ApplyMethod(point.shift,2*IN), ShowCreation(projl)) + self.wait(1) + self.play(ShowCreation(proj)) + self.wait(1.2) + self.play(ShowCreation(carrow)) + self.wait(0.64) + self.play(ShowCreation(phi)) + self.wait(1.3) + self.play(ShowCreation(carrow2)) + self.wait(0.5) + self.play(ShowCreation(theta)) + self.wait(3) + + + |
