A199510 Decimal expansion of x>0 satisfying 3*x^2-2*x*sin(x)=3*cos(x).

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

Offset

1,3

Comments

See A199429 for a guide to related sequences. The Mathematica program includes a graph.

Links

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

Example

x=1.05111022884372801142571145811941968512...

Mathematica

a = 3; b = -2; c = 3;
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, 1.05, 1.06}, WorkingPrecision -> 110]
RealDigits[r]  (* A199510 *)

Crossrefs

Cf. A199429.

Sequence in context: A196840 A162298 A196755 * A146306 A336697 A326073

Adjacent sequences: A199507 A199508 A199509 * A199511 A199512 A199513

Keyword

nonn,cons

Author

Clark Kimberling, Nov 07 2011

Status

approved