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np.linalg.norm -> get_norm

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This commit is contained in:
Grant Sanderson
2018-08-15 17:30:24 -07:00
parent f926611d34
commit 365093c0b5
82 changed files with 310 additions and 281 deletions
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20
old_projects/lost_lecture.py
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@ -31,11 +31,11 @@ class Orbiting(ContinualAnimation):
rate = self.rate
radius_vector = planet.get_center() - star.get_center()
rate *= 1.0 / np.linalg.norm(radius_vector)
rate *= 1.0 / get_norm(radius_vector)
prop = self.proportion
d_prop = 0.001
ds = np.linalg.norm(op.add(
ds = get_norm(op.add(
ellipse.point_from_proportion((prop + d_prop) % 1),
-ellipse.point_from_proportion(prop),
))
@ -280,7 +280,7 @@ class ShowEmergingEllipse(Scene):
# Ellipse parameters
a = radius / 2
c = np.linalg.norm(e_point - center) / 2
c = get_norm(e_point - center) / 2
b = np.sqrt(a**2 - c**2)
result = Circle(radius=b, color=self.ellipse_color)
@ -2066,7 +2066,7 @@ class ProveEllipse(ShowEmergingEllipse, ShowEllipseDefiningProperty):
[self.circle.get_center(), gl.get_end()],
line.get_start_and_end()
)
distance = np.linalg.norm(
distance = get_norm(
intersection - planet.get_center()
)
if distance < 0.025:
@ -2596,7 +2596,7 @@ class AngularMomentumArgument(KeplersSecondLaw):
)
vector_field.set_fill(opacity=0.8)
vector_field.sort_submobjects(
lambda p: -np.linalg.norm(p - sun_center)
lambda p: -get_norm(p - sun_center)
)
stays_constant = TextMobject("Stays constant")
@ -2918,7 +2918,7 @@ class IntroduceShapeOfVelocities(AskAboutEllipses, MovingCameraScene):
# Helpers
def get_velocity_vector(self, alpha, d_alpha=0.01, scalar=3.0):
norm = np.linalg.norm
norm = get_norm
ellipse = self.ellipse
sun_center = self.sun.get_center()
@ -3016,8 +3016,8 @@ class ShowEqualAngleSlices(IntroduceShapeOfVelocities):
def get_cos_angle_diff(v1, v2):
return np.dot(
v1 / np.linalg.norm(v1),
v2 / np.linalg.norm(v2),
v1 / get_norm(v1),
v2 / get_norm(v2),
)
lines = VGroup()
@ -4000,7 +4000,7 @@ class UseVelocityDiagramToDeduceCurve(ShowEqualAngleSlices):
circle.get_center(),
]
a = circle.get_width() / 4
c = np.linalg.norm(foci[1] - foci[0]) / 2
c = get_norm(foci[1] - foci[0]) / 2
b = np.sqrt(a**2 - c**2)
little_ellipse = Circle(radius=a)
little_ellipse.stretch(b / a, 1)
@ -4127,7 +4127,7 @@ class ShowSunVectorField(Scene):
)
vector_field.set_fill(opacity=0.8)
vector_field.sort_submobjects(
lambda p: -np.linalg.norm(p - sun_center)
lambda p: -get_norm(p - sun_center)
)
for vector in vector_field: