OFFSET
0,1
COMMENTS
See A199170 for a guide to related sequences. The Mathematica program includes a graph.
EXAMPLE
negative: -0.923207967022272918085370562946372...
positive: 0.6988053514945826378907251192096740...
MATHEMATICA
a = 3; b = 1; c = 2;
f[x_] := a*x^2 + b*x*Cos[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -1, 1}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, -1, -.9}, WorkingPrecision -> 110]
RealDigits[r] (* A199281 *)
r = x /. FindRoot[f[x] == g[x], {x, .69, .70}, WorkingPrecision -> 110]
RealDigits[r] (* A199282 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Nov 05 2011
STATUS
approved