OFFSET
0,1
COMMENTS
See A199170 for a guide to related sequences. The Mathematica program includes a graph.
EXAMPLE
negative: -1.342905122329356157795629258382825825170...
positive: 0.976312273615130123076470141335091567967...
MATHEMATICA
a = 2; b = 2; c = 3;
f[x_] := a*x^2 + b*x*Cos[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -3, 3}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, -1.35, -1.34}, WorkingPrecision -> 110]
RealDigits[r] (* A199271 *)
r = x /. FindRoot[f[x] == g[x], {x, .97, .98}, WorkingPrecision -> 110]
RealDigits[r] (* A199272 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Nov 04 2011
STATUS
approved