A199380 Decimal expansion of x>0 satisfying 2*x^2+x*sin(x)=2.

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

Offset: 0

Author

Clark Kimberling, Nov 05 2011

Keywords

• nonn
• cons

Comments

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

Examples

			0.83210184879214915364794047891798716521561...
		

Links

• Index entries for transcendental numbers.

Crossrefs

Cf. A199370.

Programs

Mathematica

a = 2; 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, .83, .84}, WorkingPrecision -> 110]
RealDigits[r]   (* A199380 *)