# fast Na module
# Return kinetic parameters, constraints, and vector of volumes in each
# compartment (pL) (1 if gating variable, or in element corresponding to
# kappa)
# Translated from Pan 2018 cardiac AP
import numpy as np
def kinetic_parameters(M, include_type2_reactions, dims, V):
# Set the kinetic rate constants
num_cols = dims['num_cols']
num_rows = dims['num_rows']
# constants are stored in V
# k + = k - = K_leak(on ClancyRudy original model. Params from Kernik19)
K_leak = 1.6e-6
kf = K_leak
kr = K_leak
k_kinetic = [kf, kr]
# CONSTRAINTS
N_cT = []
K_C = []
# volume vector
# W = list(np.append([1] * num_cols, [V['V_myo']] * num_rows))
W = [1, V['V_SR'], V['V_myo']]
return (k_kinetic, N_cT, K_C, W)