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A199383
Decimal expansion of x>0 satisfying 2*x^2+2*x*sin(x)=3.
1
8, 9, 5, 2, 1, 9, 7, 4, 4, 4, 3, 5, 8, 2, 0, 0, 1, 2, 9, 7, 0, 8, 7, 2, 7, 4, 6, 3, 6, 1, 9, 6, 5, 9, 6, 7, 4, 8, 9, 0, 5, 6, 5, 3, 0, 4, 3, 5, 7, 4, 1, 0, 0, 1, 8, 6, 6, 7, 9, 3, 6, 9, 1, 0, 6, 5, 5, 4, 5, 5, 2, 3, 7, 6, 2, 5, 2, 8, 2, 2, 5, 9, 2, 7, 6, 5, 9, 5, 5, 5, 9, 1, 4, 5, 1, 6, 2, 8, 8
OFFSET
0,1
COMMENTS
See A199370 for a guide to related sequences. The Mathematica program includes a graph.
EXAMPLE
x=0.89521974443582001297087274636196596748905653...
MATHEMATICA
a = 2; b = 2; c = 3;
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, .89, .90}, WorkingPrecision -> 110]
RealDigits[r] (* A199383 *)
CROSSREFS
Cf. A199370.
Sequence in context: A091725 A029689 A201294 * A199460 A245772 A190289
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Nov 05 2011
STATUS
approved