def defineSystem():
'''
Create an object that defines the desired ODE system.
'''
# Create an object of args class from common module
DSargs = cmn.args(name='Toggle switch of two genes X and Y')
# Set the parameters:
DSargs.pars = aux.parameter_set_4()
# Set the variables:
DSargs.varspecs = aux.equations()
# Set the auxiliary functions:
DSargs.fnspecs = aux.functions()
# Set initial conditions:
DSargs.ics = {'X': 10, 'Y': 10}
DSargs.xdomain = {'X': [0, 1.0e+4], 'Y':[0, 1.0e+4]}
# Set the range of integration:
DSargs.tdomain = [0,100]
return DSargs
def defineSystem():
# Create an object of args class from common module
DSargs = cmn.args(name='Genetic Toggle Switch with SA')
# Initialize the DSargs object with parameters
#DSargs.pars = aux.parameter_set_1()
#DSargs.pars = aux.parameter_set_2()
DSargs.pars = aux.parameter_set_3()
# obtain the differential equations:
DSargs.varspecs = aux.equations()
# obtain the auxiliary functions:
DSargs.fnspecs = aux.functions()
# Set initial conditions:
DSargs.ics = {'X': 1, 'Y': 1}
DSargs.xdomain = {'X': [0, 1.0e+4], 'Y': [0, 1.0e+4]}
# Set the range of integration:
DSargs.tdomain = [0, 100]
return DSargs