def draw_bd_displacement(self, dt, D):
r = math.sqrt(2.0 * D * dt)
# Draw 2 numbers from normal distribution.
x, y = myrandom.normal(0.0, r, 2)
return x * self.shape.unit_x + y * self.shape.unit_y
def draw_bd_displacement(self, dt, D):
r = math.sqrt(2.0 * D * dt)
# Draw 3 numbers from normal distribution.
return myrandom.normal(0.0, r, 3)
def draw_bd_displacement(self, dt, D):
r = math.sqrt(2.0 * D * dt)
# Draw 1 number from normal distribution.
z = myrandom.normal(0.0, r, 1)
return z * self.shape.unit_z
def draw_bd_displacement(self, dt, D):
r = math.sqrt(2.0 * D * dt)
# Draw 2 numbers from normal distribution.
x, y = myrandom.normal(0.0, r, 2)
return x * self.shape.unit_x + y * self.shape.unit_y
def draw_bd_displacement(self, dt, D):
r = math.sqrt(2.0 * D * dt)
# Draw 3 numbers from normal distribution.
return myrandom.normal(0.0, r, 3)
def draw_bd_displacement(self, dt, D):
r = math.sqrt(2.0 * D * dt)
# Draw 1 number from normal distribution.
z = myrandom.normal(0.0, r, 1)
return z * self.shape.unit_z
