Simple Schema for a Wide Class of Models
x = {x1, x2, …, xn}; set of variables
? = {?1, ? 2, …, ? m}; set of parameters
e = {e1, e2, …, ep}; set of equations expressing functional relations among the variables and parameters
Dynamic Model: M(x, ?, e; t), where x1 = x1(t), x2 = x2(t), …, xn = xn(t)