A198614 Decimal expansion of x>0 satisfying 3*x^2+2x=3*sin(x).
3, 1, 6, 7, 0, 0, 4, 3, 8, 1, 8, 0, 9, 2, 6, 2, 5, 6, 0, 4, 3, 8, 5, 2, 4, 0, 0, 0, 8, 7, 9, 7, 6, 8, 1, 6, 7, 8, 5, 1, 3, 8, 6, 8, 4, 6, 9, 6, 8, 8, 9, 6, 0, 7, 0, 9, 5, 9, 9, 4, 4, 2, 8, 5, 6, 7, 1, 2, 6, 9, 7, 6, 8, 6, 3, 0, 5, 3, 9, 1, 7, 2, 2, 4, 1, 2, 3, 8, 7, 9, 7, 4, 6, 9, 8, 6, 7, 9, 3
Offset: 0
Examples
0.3167004381809262560438524000879768167851...
Crossrefs
Cf. A198414.
Programs
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Mathematica
a = 3; b = 2; c = 3; f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x] Plot[{f[x], g[x]}, {x, -.1, .4}] r = x /. FindRoot[f[x] == g[x], {x, .31, .32}, WorkingPrecision -> 110] RealDigits[r](* A198614 *)
Comments