_Clark Kimberling (ck6(AT)evansville.edu), _, Oct 28 2011
_Clark Kimberling (ck6(AT)evansville.edu), _, Oct 28 2011
proposed
approved
editing
proposed
allocated for Clark KimberlingDecimal 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
0,1
See A198414 for a guide to related sequences. The Mathematica program includes a graph.
x=0.3167004381809262560438524000879768167851...
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 *)
Cf. A198414.
allocated
nonn,cons
Clark Kimberling (ck6(AT)evansville.edu), Oct 28 2011
approved
editing
allocated for Clark Kimberling
allocated
approved