Re: Mathematica conundrum

*To*: mathgroup at christensen.cybernetics.net*Subject*: [mg1786] Re: Mathematica conundrum*From*: grant at math.byu.edu (Chris Grant)*Date*: Sun, 30 Jul 1995 21:37:48 -0400*Organization*: Brigham Young University

In article <DC96CK.EsK at wri.com>, Zorro <berriz at husc.harvard.edu> writes: |> Hi. When I issue the command |> |> Plot[Exp[-5x],{x, 0, 5}, PlotRange->{0,1}]; |> |> Mathematica produces the plot without a hitch. Similarly, when I |> issue |> |> Plot[Exp[-x],{x, 0, 5}]; |> |> Likewise, the command |> |> Plot[Evaluate[Table[Sin[n x],{n, 5}]], |> {x, 0, 1}, PlotRange->{-1, 1}]; |> |> produces, as expected, a series of superimposed sine waves. BUT, |> Mathematica balks at |> |> Plot[Evaluate[Table[Exp[-nx],{n, 5}]], |> {x, 0, 5}, PlotRange->{0, 1}]; |> |> spitting out |> [...] |> Why is this? Because you didn't put a space between the n and the x. Mathematica thinks "nx" is the name of a single variable, a variable for which no value is assigned. Chris Grant grant at math.byu.edu