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A199388 Decimal expansion of x>0 satisfying 3*x^2+x*sin(x)=2. 1
7, 1, 4, 5, 5, 4, 7, 9, 9, 6, 0, 8, 4, 7, 7, 0, 3, 9, 1, 2, 2, 3, 9, 8, 5, 6, 4, 7, 7, 0, 8, 2, 5, 9, 8, 4, 8, 5, 7, 5, 9, 8, 7, 4, 4, 8, 9, 5, 1, 3, 0, 5, 0, 9, 4, 8, 9, 7, 4, 0, 9, 6, 9, 5, 1, 4, 8, 1, 0, 8, 3, 3, 4, 8, 3, 1, 3, 5, 9, 7, 9, 9, 8, 9, 5, 1, 3, 1, 2, 7, 8, 0, 0, 9, 6, 2, 5, 0, 3 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
See A199370 for a guide to related sequences. The Mathematica program includes a graph.
LINKS
EXAMPLE
x=0.71455479960847703912239856477082598485759874...
MATHEMATICA
a = 3; b = 1; c = 2;
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, .71, .72}, WorkingPrecision -> 110]
RealDigits[r] (* A199388 *)
CROSSREFS
Cf. A199370.
Sequence in context: A183031 A021018 A010145 * A201750 A198825 A073008
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Nov 06 2011
STATUS
approved

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Last modified May 21 15:47 EDT 2024. Contains 372738 sequences. (Running on oeis4.)