DeepMod/lotka_volterra.py
def lotkavolterra(t, U):
    """ Return the growth rate of predator and prey populations. 
    U: [x, y] population vector
    """
    return np.array([ a*U[0] -   b*U[0]*U[1] ,
                  -c*U[1] + d*b*U[0]*U[1] ])
 Return the growth rate of predator and prey populations. 
    U: [x, y] population vector
    
Return the growth rate of predator and prey populations.
U: [x, y] population vector
Return the growth rate of predator and prey populations . U : [ x y ] population vector
def lotkavolterra(t, U):
    return np.array([ a*U[0] -   b*U[0]*U[1] ,
                  -c*U[1] + d*b*U[0]*U[1] ])
def lotkavolterra ( t , U ) : return np . array ( [ a * U [ 0 ] - b * U [ 0 ] * U [ 1 ] , - c * U [ 1 ] + d * b * U [ 0 ] * U [ 1 ] ] )
Return the growth rate of predator and prey populations.
Return the growth rate of predator and prey populations .
""" Return the growth rate of predator and prey populations. 
    U: [x, y] population vector
    """
t
U