# Size of variable arrays: sizeAlgebraic = 4 sizeStates = 17 sizeConstants = 43 from math import * from numpy import * def createLegends(): legend_states = [""] * sizeStates legend_rates = [""] * sizeStates legend_algebraic = [""] * sizeAlgebraic legend_voi = "" legend_constants = [""] * sizeConstants legend_voi = "time in component environment (minute)" legend_states[0] = "MPF_n in component MPF_n (dimensionless)" legend_constants[0] = "k_in in component parameters (first_order_rate_constant)" legend_constants[1] = "k_out in component parameters (first_order_rate_constant)" legend_constants[2] = "k_dn_ in component parameters (first_order_rate_constant)" legend_constants[3] = "k_dn__ in component parameters (first_order_rate_constant)" legend_constants[4] = "k_wee_ in component parameters (first_order_rate_constant)" legend_constants[5] = "k_wee__ in component parameters (first_order_rate_constant)" legend_constants[6] = "k_stg_ in component parameters (first_order_rate_constant)" legend_constants[7] = "k_stg__ in component parameters (first_order_rate_constant)" legend_states[1] = "MPF_c in component MPF_c (dimensionless)" legend_states[2] = "FZY in component FZY (dimensionless)" legend_states[3] = "Wee1_n in component Wee1_n (dimensionless)" legend_states[4] = "StgP_n in component StgP_n (dimensionless)" legend_states[5] = "preMPF_n in component preMPF_n (dimensionless)" legend_states[6] = "preMPF_c in component preMPF_c (dimensionless)" legend_constants[8] = "k_sc in component parameters (first_order_rate_constant)" legend_constants[9] = "k_dc_ in component parameters (first_order_rate_constant)" legend_constants[10] = "epsilon in component parameters (dimensionless)" legend_states[7] = "N in component N (dimensionless)" legend_states[8] = "StgP_c in component StgP_c (dimensionless)" legend_states[9] = "Wee1_c in component Wee1_c (dimensionless)" legend_states[10] = "IE in component IE (dimensionless)" legend_constants[11] = "j_aie in component parameters (dimensionless)" legend_constants[12] = "j_iie in component parameters (dimensionless)" legend_constants[13] = "k_aie in component parameters (first_order_rate_constant)" legend_constants[14] = "k_iie in component parameters (first_order_rate_constant)" legend_constants[15] = "j_afz in component parameters (dimensionless)" legend_constants[16] = "j_ifz in component parameters (dimensionless)" legend_constants[17] = "k_afz in component parameters (first_order_rate_constant)" legend_constants[18] = "k_ifz in component parameters (first_order_rate_constant)" legend_states[11] = "Stg_m in component Stg_m (dimensionless)" legend_constants[19] = "k_dm_ in component parameters (first_order_rate_constant)" legend_constants[20] = "k_dm__ in component parameters (first_order_rate_constant)" legend_constants[21] = "j_m in component parameters (dimensionless)" legend_states[12] = "Xp in component Xp (dimensionless)" legend_states[13] = "Xm in component Xm (dimensionless)" legend_constants[22] = "k_sxm in component parameters (first_order_rate_constant)" legend_constants[23] = "k_sxp in component parameters (first_order_rate_constant)" legend_constants[24] = "k_ins in component parameters (first_order_rate_constant)" legend_constants[25] = "k_outs in component parameters (first_order_rate_constant)" legend_constants[26] = "k_astg_ in component parameters (first_order_rate_constant)" legend_constants[27] = "k_astg__ in component parameters (first_order_rate_constant)" legend_constants[28] = "k_istg in component parameters (first_order_rate_constant)" legend_constants[29] = "k_dstg in component parameters (first_order_rate_constant)" legend_constants[30] = "j_astg in component parameters (dimensionless)" legend_constants[31] = "j_istg in component parameters (dimensionless)" legend_states[14] = "Stg_n in component Stg_n (dimensionless)" legend_states[15] = "Stg_c in component Stg_c (dimensionless)" legend_constants[32] = "k_sstg in component parameters (first_order_rate_constant)" legend_constants[33] = "k_inw in component parameters (first_order_rate_constant)" legend_constants[34] = "k_outw in component parameters (first_order_rate_constant)" legend_constants[35] = "k_awee in component parameters (first_order_rate_constant)" legend_constants[36] = "k_iwee_ in component parameters (first_order_rate_constant)" legend_constants[37] = "k_iwee__ in component parameters (first_order_rate_constant)" legend_constants[38] = "j_awee in component parameters (dimensionless)" legend_constants[39] = "j_iwee in component parameters (dimensionless)" legend_states[16] = "Wee1P_n in component Wee1P_n (dimensionless)" legend_algebraic[0] = "Wee1P_c in component Wee1P_c (dimensionless)" legend_constants[40] = "Wee1_T in component Wee1P_c (dimensionless)" legend_algebraic[1] = "CycB_T in component CycB_T (dimensionless)" legend_algebraic[2] = "Stg_T in component Stg_T (dimensionless)" legend_algebraic[3] = "StgP_T in component StgP_T (dimensionless)" legend_constants[41] = "k_ez in component parameters (first_order_rate_constant)" legend_rates[0] = "d/dt MPF_n in component MPF_n (dimensionless)" legend_rates[5] = "d/dt preMPF_n in component preMPF_n (dimensionless)" legend_rates[1] = "d/dt MPF_c in component MPF_c (dimensionless)" legend_rates[6] = "d/dt preMPF_c in component preMPF_c (dimensionless)" legend_rates[10] = "d/dt IE in component IE (dimensionless)" legend_rates[2] = "d/dt FZY in component FZY (dimensionless)" legend_rates[11] = "d/dt Stg_m in component Stg_m (dimensionless)" legend_rates[13] = "d/dt Xm in component Xm (dimensionless)" legend_rates[12] = "d/dt Xp in component Xp (dimensionless)" legend_rates[4] = "d/dt StgP_n in component StgP_n (dimensionless)" legend_rates[14] = "d/dt Stg_n in component Stg_n (dimensionless)" legend_rates[8] = "d/dt StgP_c in component StgP_c (dimensionless)" legend_rates[15] = "d/dt Stg_c in component Stg_c (dimensionless)" legend_rates[3] = "d/dt Wee1_n in component Wee1_n (dimensionless)" legend_rates[9] = "d/dt Wee1_c in component Wee1_c (dimensionless)" legend_rates[16] = "d/dt Wee1P_n in component Wee1P_n (dimensionless)" legend_rates[7] = "d/dt N in component N (dimensionless)" return (legend_states, legend_algebraic, legend_voi, legend_constants) def initConsts(): constants = [0.0] * sizeConstants; states = [0.0] * sizeStates; states[0] = 0 constants[0] = 0.15 constants[1] = 0 constants[2] = 0.01 constants[3] = 1.5 constants[4] = 0.005 constants[5] = 1 constants[6] = 0.2 constants[7] = 2 states[1] = 1 states[2] = 0 states[3] = 0 states[4] = 0 states[5] = 0 states[6] = 0 constants[8] = 0.01 constants[9] = 0.01 constants[10] = 0.00007 states[7] = 1 states[8] = 0 states[9] = 0 states[10] = 0 constants[11] = 0.01 constants[12] = 0.01 constants[13] = 1 constants[14] = 0.4 constants[15] = 0.01 constants[16] = 0.01 constants[17] = 1 constants[18] = 0.2 states[11] = 1 constants[19] = 0.002 constants[20] = 0.2 constants[21] = 0.05 states[12] = 0 states[13] = 0 constants[22] = 0.0005 constants[23] = 0.001 constants[24] = 0.08 constants[25] = 0.02 constants[26] = 0 constants[27] = 1 constants[28] = 0.3 constants[29] = 0.015 constants[30] = 0.05 constants[31] = 0.05 states[14] = 0 states[15] = 1 constants[32] = 0.02 constants[33] = 0.04 constants[34] = 0.01 constants[35] = 0.3 constants[36] = 0.01 constants[37] = 1 constants[38] = 0.05 constants[39] = 0.05 states[16] = 0 constants[40] = 0.8 constants[41] = 0.5 constants[42] = 0.00000 return (states, constants) def computeRates(voi, states, constants): rates = [0.0] * sizeStates; algebraic = [0.0] * sizeAlgebraic rates[7] = constants[42] rates[0] = (((constants[0]*states[1]-constants[1]*states[0])-(constants[2]+constants[3]*states[2])*states[0])-(constants[4]+constants[5]*states[3])*states[0])+(constants[6]+constants[7]*states[4])*states[5] rates[5] = (((constants[0]*states[6]-constants[1]*states[5])-(constants[2]+constants[3]*states[2])*states[5])+(constants[4]+constants[5]*states[3])*states[0])-(constants[4]+constants[7]*states[4])*states[5] rates[1] = (((constants[8]-(constants[10]*states[7]*(constants[0]*states[1]-constants[1]*states[0]))/(1.00000-states[7]*constants[10]))-constants[9]*states[1])+(constants[6]+constants[7]*states[8])*states[6])-(constants[4]+constants[5]*states[9])*states[1] rates[6] = (((-constants[10]*states[7]*(constants[0]*states[6]-constants[1]*states[5]))/(1.00000-states[7]*constants[10])-constants[9]*states[6])-(constants[6]+constants[7]*states[8])*states[6])+(constants[4]+constants[5]*states[9])*states[1] rates[10] = (constants[13]*(1.00000-states[10])*states[0])/((constants[11]+1.00000)-states[10])-(constants[14]*states[10])/(constants[12]+states[10]) rates[2] = (constants[17]*states[10]*(1.00000-states[2]))/((constants[15]+1.00000)-states[2])-(constants[18]*states[2])/(constants[16]+states[2]) rates[11] = -(constants[19]/(constants[21]+states[11])+constants[20]*states[12])*states[11] rates[13] = constants[22]*states[7] rates[12] = constants[23]*states[13] rates[4] = (((constants[24]*states[8]-constants[25]*states[4])+((constants[26]+constants[27]*states[0])*states[14])/(constants[30]+states[14]))-(constants[28]*states[4])/(constants[31]+states[4]))-constants[29]*states[4] rates[14] = (((constants[24]*states[15]-constants[25]*states[14])-((constants[26]+constants[27]*states[0])*states[14])/(constants[30]+states[14]))+(constants[28]*states[4])/(constants[31]+states[4]))-constants[29]*states[14] rates[8] = ((-constants[29]*states[8]-(constants[10]*states[7]*(constants[24]*states[8]-constants[25]*states[4]))/(1.00000-states[7]*constants[10]))+((constants[26]+constants[27]*states[1])*states[15])/(constants[30]+states[15]))-(constants[28]*states[8])/(constants[31]+states[8]) rates[15] = (((constants[32]*states[11]-constants[29]*states[15])-(constants[10]*states[7]*(constants[24]*states[15]-constants[25]*states[14]))/(1.00000-states[7]*constants[10]))-((constants[26]+constants[27]*states[1])*states[15])/(constants[30]+states[15]))+(constants[28]*states[8])/(constants[31]+states[8]) rates[3] = ((constants[33]*states[9]-constants[34]*states[3])+(constants[35]*states[16])/(constants[38]+states[16]))-((constants[36]+constants[37]*states[0])*states[3])/(constants[39]+states[3]) algebraic[0] = (constants[40]-states[7]*constants[10]*(states[3]+states[16]))/(1.00000-states[7]*constants[10])-states[9] rates[9] = ((-(constants[33]*states[9]-constants[34]*states[3])*states[7]*constants[10])/(1.00000-states[7]*constants[10])+(constants[35]*algebraic[0])/(constants[38]+algebraic[0]))-((constants[36]+constants[37]*states[1])*states[9])/(constants[39]+states[9]) rates[16] = ((constants[33]*algebraic[0]-constants[34]*states[16])-(constants[35]*states[16])/(constants[38]+states[16]))+((constants[36]+constants[37]*states[0])*states[3])/(constants[39]+states[3]) return(rates) def computeAlgebraic(constants, states, voi): algebraic = array([[0.0] * len(voi)] * sizeAlgebraic) states = array(states) voi = array(voi) algebraic[0] = (constants[40]-states[7]*constants[10]*(states[3]+states[16]))/(1.00000-states[7]*constants[10])-states[9] algebraic[1] = (1.00000-states[7]*constants[10])*(states[1]+states[6])+states[7]*constants[10]*(states[0]+states[5]) algebraic[2] = (1.00000-states[7]*constants[10])*(states[15]+states[8])+states[7]*constants[10]*(states[14]+states[4]) algebraic[3] = (1.00000-states[7]*constants[10])*states[8]+states[7]*constants[10]*states[4] return algebraic def solve_model(): """Solve model with ODE solver""" from scipy.integrate import ode # Initialise constants and state variables (init_states, constants) = initConsts() # Set timespan to solve over voi = linspace(0, 10, 500) # Construct ODE object to solve r = ode(computeRates) r.set_integrator('vode', method='bdf', atol=1e-06, rtol=1e-06, max_step=1) r.set_initial_value(init_states, voi[0]) r.set_f_params(constants) # Solve model states = array([[0.0] * len(voi)] * sizeStates) states[:,0] = init_states for (i,t) in enumerate(voi[1:]): if r.successful(): r.integrate(t) states[:,i+1] = r.y else: break # Compute algebraic variables algebraic = computeAlgebraic(constants, states, voi) return (voi, states, algebraic) def plot_model(voi, states, algebraic): """Plot variables against variable of integration""" import pylab (legend_states, legend_algebraic, legend_voi, legend_constants) = createLegends() pylab.figure(1) pylab.plot(voi,vstack((states,algebraic)).T) pylab.xlabel(legend_voi) pylab.legend(legend_states + legend_algebraic, loc='best') pylab.show() if __name__ == "__main__": (voi, states, algebraic) = solve_model() plot_model(voi, states, algebraic)