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A199387
Decimal expansion of x>0 satisfying 3*x^2+x*sin(x)=1.
1
5, 0, 2, 6, 1, 8, 9, 1, 1, 5, 3, 2, 6, 5, 2, 2, 1, 2, 7, 7, 8, 6, 8, 6, 3, 1, 1, 9, 2, 1, 3, 7, 4, 4, 6, 1, 3, 0, 5, 5, 0, 5, 5, 8, 8, 6, 4, 4, 9, 4, 2, 7, 4, 3, 4, 1, 1, 0, 2, 1, 8, 2, 9, 2, 9, 4, 8, 6, 1, 1, 7, 0, 0, 3, 5, 3, 1, 0, 1, 2, 7, 1, 2, 5, 7, 8, 9, 6, 0, 5, 6, 6, 4, 9, 7, 3, 6, 3, 3
OFFSET
0,1
COMMENTS
See A199370 for a guide to related sequences. The Mathematica program includes a graph.
EXAMPLE
x=0.50261891153265221277868631192137446130550...
MATHEMATICA
a = 3; b = 1; c = 1;
f[x_] := a*x^2 + b*x*Sin[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -1, Pi}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, .50, .51}, WorkingPrecision -> 110]
RealDigits[r] (* A199387 *)
CROSSREFS
Cf. A199370.
Sequence in context: A021999 A021203 A276712 * A195720 A198883 A261850
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Nov 06 2011
STATUS
approved