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MSc2-Project-Chaos/Source/energies.py
Yael-II 6b06be4a6b update
2025-01-19 17:31:02 +01:00

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Python

#!/usr/bin/env python
"""
Energies
Compute energies (kinetic or total)
@ Author: Moussouni, Yaël (MSc student) & Bhat, Junaid Ramzan (MSc student)
@ Institution: Université de Strasbourg, CNRS, Observatoire astronomique
de Strasbourg, UMR 7550, F-67000 Strasbourg, France
@ Date: 2024-12-13
"""
import numpy as np
def kinetic(W: np.ndarray) -> np.ndarray:
"""Computes the kinetic energy.
@param
- W: Phase-space vectors
@returns
- T: Kinetic energy
"""
U = W[1,0]
V = W[1,1]
# If U or V is not an array (or a list), but rather a scalar, then we
# create a list of one element so that it can work either way
if np.ndim(U) == 0: U = np.array([U])
if np.ndim(V) == 0: V = np.array([V])
return (U**2 + V**2)/2
def total(W: np.ndarray,
potential,
kinetic = kinetic) -> np.ndarray:
return potential(W) + kinetic(W)