sys: Right side of a first order differential equation system...

Description Usage Details Value Author(s) References See Also Examples

View source: R/sys.R

Description

sys gives the set of derivatives of a first order differential equation system. The functions must be provided by user. Edit and change sys.

Usage

1
sys()

Details

sys has no arguments but the componing functions must have three : t, y param. sys returns the rights sides of the set of nfonct functions.

Value

A numeric vector of the nfonct functions at time t

Author(s)

Jean-Sebastien Pierre
[email protected]

References

any mathematical textbook

See Also

evrunge, multirunge, nls

Examples

1
	evrunge(seq(0,10,0.1),c(1,1),y0=c(1000,0),sys=sys,graph=TRUE)

nlsrk documentation built on June 24, 2017, 1:02 a.m.