http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=7934018&tstart=0#7934018 Your code works as it should.
But if You select an image that ContourPlot generates and then copy and paste it to new]]> Dec 8, 2012 1:27:46 AM Dec 8, 2012 1:27:46 AM Grischika@mail.ru 0 http://mathforum.org/kb/thread.jspa?messageID=7933529&tstart=0#7933529
"9.0 for Mac OS X x86 (64-bit) (November 20, 2012)"

pf[a_, b_] = ParametricNDSolveValue[
{y''[x] == -a y[x], y[0] == a,]]> Dec 7, 2012 1:37:04 AM Dec 7, 2012 1:37:04 AM hanlonr357@gmail.com 1 http://mathforum.org/kb/thread.jspa?messageID=7933546&tstart=0#7933546 ]]> Dec 7, 2012 1:37:03 AM Dec 7, 2012 1:37:03 AM 2