Xranges {LIM}R Documentation

Generates ranges of the unknowns of a linear inverse problem

Description

Given an inverse input list, generates the minimal and maximal values of the unknowns

Usage

Xranges(lim,...)

Arguments

lim a list that contains the linear inverse model or linear programming specification, as generated by function setup.limfile
... extra arguments passed to function xranges from packagelimSolve

Value

a 2-columned vector containing the minimum (column 1) and maximum (column 2) of each unknown

Author(s)

Karline Soetaert <k.soetaert@nioo.knaw.nl>

See Also

  • Varranges which estimates the ranges of inverse variables
  • Plotranges to plot the ranges
  • function xranges from packagelimSolve

    Examples

    # ranges
      xr <- Xranges(LIMRigaAutumn)
      xlim <- range(xr)
      # parsimonious
            xpars <- Lsei(LIMRigaAutumn)$X
      dotchart(x=xpars,labels=rownames(xr),xlim=xlim,                                                        
               main="Riga Autumn ",
               sub="ranges and parsimonious solution",pch=16)
      cc <- 1:nrow(xr)
      segments(xr[,1],cc,xr[,2],cc)

    [Package LIM version 1.1 Index]