(maxima.info)Introduction to numerical solution of differential equations
22.4 Introduction to numerical solution of differential equations
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The Ordinary Differential Equations (ODE) solved by the functions in
this section should have the form,
dy
-- = F(x,y)
dx
which is a first-order ODE. Higher order differential equations of
order <n> must be written as a system of <n> first-order equations of
that kind. For instance, a second-order ODE should be written as a
system of two equations
dx dy
-- = G(x,y,t) -- = F(x,y,t)
dt dt
The first argument in the functions will be a list with the
expressions on the right-side of the ODE's. The variables whose
derivatives are represented by those expressions should be given in a
second list. In the case above those variables are <x> and <y>. The
independent variable, <t> in the examples above, might be given in a
separated option. If the expressions given do not depend on that
independent variable, the system is called autonomous.
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