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A198541
Decimal expansion of x<0 having 4*x^2+3x=sin(x).
2
5, 1, 0, 7, 2, 7, 5, 7, 3, 3, 8, 5, 5, 1, 7, 3, 1, 2, 0, 7, 9, 4, 0, 8, 2, 9, 0, 2, 7, 2, 0, 5, 8, 5, 4, 4, 6, 0, 7, 9, 0, 7, 3, 1, 7, 7, 8, 9, 3, 9, 8, 9, 1, 1, 9, 3, 5, 6, 3, 5, 4, 7, 0, 3, 7, 3, 3, 4, 5, 5, 7, 6, 3, 8, 0, 4, 8, 5, 6, 5, 0, 9, 7, 9, 7, 1, 3, 9, 6, 4, 3, 5, 9, 8, 9, 0, 3, 5, 5
OFFSET
0,1
COMMENTS
See A198414 for a guide to related sequences. The Mathematica program includes a graph.
EXAMPLE
x=-0.510727573385517312079408290272058544...
MATHEMATICA
a = 4; b = 3; c = 1;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -1, .2}]
r = x /. FindRoot[f[x] == g[x], {x, -.51, -.5}, WorkingPrecision -> 110]
RealDigits[r] (* A198541 *)
CROSSREFS
Cf. A198414.
Sequence in context: A021666 A340841 A143148 * A200420 A176324 A081817
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Oct 26 2011
STATUS
approved