ODE Solver|教育線上App不用買-HotApp4Game

In Ordinary Differential Equations (ODE), all derivatives are with respect to single independent variable, often representing time. ODE Solver solves systems of ordinary equations with initial boundary conditions with 4th order Runge Kutta Method. It plots and lists results exporting them via email. All variables, x, u, and t, should be entered with "$" prefix and ODE Solver does the rest.Example: Typical Pendulumdx/dt = $udu/dt= -pi()**2/4*sin($x)-0.1*$uFollowing functions are available in ODE Solver:Operators:+ add- subtract* multiply / divide** pow exponentiationFunctions:sqrt() - returns the square root of the passed parameterlog() - returns the base 10 log of the passed parameterln() - returns the base e log of the passed parameterexp() - returns e raised to the power of the passed parameterThe trigonometric functions:dtor() - converts the passed parameter from degrees to radiansrtod() - converts the passed parameter from radians to degreessin(), cos(), tan()Their inverses (asin, acos, atan)Their reciprocals (csc, sec, cotan)The reciprocals of the inverses (acsc, asec, acotan)The hyperbolic variations of all the above functions (sinh, cosh, tanh, asinh, acosh, atanh, csch, sech, cotanh, acsch, asech, acotanh)Constants:pi() - returns the value of π. pi_2() - returns the value of π/2pi_4() - returns the value of π/4e() - returns the value of e