A199444 Decimal expansion of x>0 satisfying 2*x^2+3*x*sin(x)=2*cos(x).

5, 8, 7, 1, 0, 8, 8, 2, 9, 4, 7, 9, 1, 6, 5, 5, 3, 0, 5, 6, 0, 6, 1, 9, 9, 2, 5, 3, 0, 3, 2, 0, 0, 3, 5, 5, 8, 1, 1, 5, 8, 5, 2, 3, 3, 6, 9, 5, 9, 3, 2, 8, 8, 8, 3, 0, 8, 9, 7, 5, 8, 8, 4, 3, 9, 1, 3, 1, 8, 9, 8, 2, 0, 2, 9, 7, 1, 0, 2, 9, 6, 9, 9, 6, 6, 2, 0, 4, 7, 9, 2, 3, 6, 0, 2, 9, 9, 7, 4

Offset

0,1

Comments

See A199370 for a guide to related sequences. The Mathematica program includes a graph.

Links

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

Example

x=0.587108829479165530560619925303200355811...

Mathematica

a = 2; b = 3; c = 2;
f[x_] := a*x^2 + b*x*Sin[x]; g[x_] := c*Cos[x]
Plot[{f[x], g[x]}, {x, -Pi, Pi}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, .58, .59}, WorkingPrecision -> 110]
RealDigits[r] (* A199444 *)

Crossrefs

Cf. A199429.

Sequence in context: A335565 A365793 A070371 * A005120 A362975 A133731

Adjacent sequences: A199441 A199442 A199443 * A199445 A199446 A199447

Keyword

nonn,cons

Author

Clark Kimberling, Nov 06 2011

Status

approved