Possible Duplicate:
Plotting multivariable integration
I am trying to plot an inverse function. If I do something like this:
g[x_] := Sin[x]
F[x_] := NIntegrate[g[y], {y, 0, x}]
ParametricPlot[{F[x], x}, {x, 0, 2 Pi}]
I get the following error message
"NIntegrate::nlim: y = x is not a valid limit of integration. >>"
However, I also get a plot which is correct. Am I doing something wrong or should I just ignore the error message?
F[x_]
toF[x_?NumericQ]
. $\endgroup$ – b.gates.you.know.what Jan 22 '13 at 19:36ClearAll[f]
before making the new definition. $\endgroup$ – Sjoerd C. de Vries Jan 28 '13 at 14:51