A198608 Decimal expansion of -x where x<0 satisfies 2*x^2+3x=sin(x).

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

Offset

1,3

Comments

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

Links

Table of n, a(n) for n=1..99.

Example

x=-1.0939227399054990890573458039521962276046...

Mathematica

a = 2; b = 3; c = 1;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -2, .2}]
r = x /. FindRoot[f[x] == g[x], {x, -1.1, -1.0}, WorkingPrecision -> 110]
RealDigits[r](* A198608 *)

Crossrefs

Cf. A198414.

Sequence in context: A242815 A155166 A159467 * A273637 A086705 A199866

Adjacent sequences: A198605 A198606 A198607 * A198609 A198610 A198611

Keyword

nonn,cons

Author

Clark Kimberling, Oct 27 2011

Status

approved