|
|
A198542
|
|
Decimal expansion of x<0 having 4*x^2+3x=2*sin(x).
|
|
2
|
|
|
2, 5, 5, 4, 1, 8, 8, 5, 9, 9, 3, 7, 6, 0, 8, 1, 0, 1, 0, 0, 7, 6, 2, 2, 8, 1, 0, 9, 4, 9, 1, 6, 4, 2, 4, 3, 4, 9, 4, 9, 9, 6, 1, 1, 9, 0, 9, 1, 4, 9, 8, 4, 8, 7, 1, 4, 1, 5, 3, 5, 8, 0, 4, 3, 3, 0, 5, 9, 4, 3, 7, 1, 7, 6, 8, 9, 0, 9, 8, 1, 9, 3, 1, 6, 6, 8, 2, 1, 6, 8, 7, 2, 5, 7, 9, 8, 3, 9, 8
(list;
constant;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,1
|
|
COMMENTS
|
See A198414 for a guide to related sequences. The Mathematica program includes a graph.
|
|
LINKS
|
|
|
EXAMPLE
|
x=-0.2554188599376081010076228109491642434...
|
|
MATHEMATICA
|
a = 4; b = 3; c = 2;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.5, .2}]
r = x /. FindRoot[f[x] == g[x], {x, -.26, -.25}, WorkingPrecision -> 110]
|
|
CROSSREFS
|
|
|
KEYWORD
|
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|