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A199384
Decimal expansion of x>0 satisfying 2*x^2+3*x*sin(x)=1.
1
4, 5, 1, 8, 0, 1, 2, 3, 4, 3, 3, 3, 7, 3, 7, 4, 0, 6, 1, 3, 1, 3, 3, 7, 2, 4, 2, 9, 8, 3, 0, 8, 1, 3, 6, 6, 9, 8, 9, 3, 2, 6, 6, 9, 2, 4, 2, 7, 1, 7, 1, 5, 3, 1, 1, 3, 6, 6, 5, 4, 2, 3, 3, 9, 6, 9, 5, 4, 6, 0, 8, 2, 7, 9, 8, 0, 4, 3, 6, 4, 6, 3, 1, 9, 3, 2, 6, 5, 7, 0, 6, 5, 5, 1, 7, 3, 1, 2, 9
OFFSET
0,1
COMMENTS
See A199370 for a guide to related sequences. The Mathematica program includes a graph.
EXAMPLE
x=0.451801234333737406131337242983081366989326...
MATHEMATICA
a = 2; b = 3; 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, .45, .46}, WorkingPrecision -> 110]
RealDigits[r] (* A199384 *)
CROSSREFS
Cf. A199370.
Sequence in context: A068447 A375822 A237109 * A178233 A271356 A201411
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Nov 05 2011
STATUS
approved