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A199079 Decimal expansion of x>0 satisfying 3*x^2+sin(x)=2. 3
6, 7, 6, 7, 0, 1, 5, 9, 4, 0, 7, 3, 0, 7, 7, 8, 7, 4, 1, 9, 4, 8, 5, 5, 7, 2, 0, 3, 8, 4, 0, 1, 6, 6, 9, 7, 7, 4, 7, 6, 2, 6, 9, 0, 0, 8, 3, 6, 5, 9, 2, 0, 9, 8, 0, 7, 6, 8, 9, 7, 6, 7, 6, 7, 4, 9, 0, 6, 6, 3, 1, 1, 0, 6, 3, 0, 2, 6, 6, 3, 2, 3, 7, 1, 0, 3, 6, 9, 4, 7, 7, 3, 5, 9, 3, 2, 9, 4, 8 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

See A198866 for a guide to related sequences.  The Mathematica program includes a graph.

LINKS

Table of n, a(n) for n=0..98.

EXAMPLE

negative: -0.97041584163559044784359265743084410...

positive:  0.676701594073077874194855720384016697...

MATHEMATICA

a = 3; b = 1; c = 2;

f[x_] := a*x^2 + b*Sin[x]; g[x_] := c

Plot[{f[x], g[x]}, {x, -2, 2}, {AxesOrigin -> {0, 0}}]

r = x /.

  FindRoot[f[x] == g[x], {x, -.98, -.97}, WorkingPrecision -> 110]

RealDigits[r]   (* A199078 *)

r = x /. FindRoot[f[x] == g[x], {x, .67, .68}, WorkingPrecision -> 110]

RealDigits[r]   (* A199079 *)

CROSSREFS

Cf. A198866.

Sequence in context: A261024 A186282 A171909 * A010723 A244588 A223172

Adjacent sequences:  A199076 A199077 A199078 * A199080 A199081 A199082

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Nov 03 2011

STATUS

approved

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Last modified April 6 11:38 EDT 2020. Contains 333273 sequences. (Running on oeis4.)