Revision History for A197811
(Underlined text is an addition;
strikethrough text is a deletion.)
Showing all changes.
|
| |
| |
| |
|
|
#8 by Georg Fischer at Mon Aug 09 07:34:00 EDT 2021
| |
| |
| |
|
|
#7 by Georg Fischer at Mon Aug 09 07:28:50 EDT 2021
| |
| |
|
|
Discussion
|
| Mon Aug 09
| 07:33
| Alois P. Heinz: ok
|
| |
| |
|
|
#6 by Georg Fischer at Mon Aug 09 07:26:43 EDT 2021
|
|
| DATA
|
1, 3, 8, 9, 4, 3, 7, 4, 5, 2, 7, 0, 4, 8, 2, 8, 3, 8, 9, 2, 9, 1, 4, 9, 8, 2, 5, 1, 4, 2, 9, 1, 8, 9, 2, 5, 5, 9, 6, 3, 3, 7, 3, 5, 7, 5, 8, 4, 7, 5, 0, 8, 3, 7, 1, 4, 1, 5, 6, 7, 2, 2, 7, 2, 9, 3, 7, 0, 4, 8, 1, 2, 4, 4, 7, 1, 1, 8, 9, 3, 8, 8, 4, 3, 6, 2, 8, 7, 1, 0, 6, 3, 12, 16, 29, 34, 72, 72, 6
|
|
| STATUS
|
approved
editing
|
| |
|
|
Discussion
|
| Mon Aug 09
| 07:28
| Georg Fischer: Note: With Neil's consent I will silently change the next 54 similar cases. The precision used in the MMAs is too low - I recomputed the terms with Maple and jOEIS to 200 digits.
|
| |
| |
|
|
#5 by Russ Cox at Fri Mar 30 18:57:53 EDT 2012
|
|
| AUTHOR
|
_Clark Kimberling (ck6(AT)evansville.edu), _, Oct 20 2011
|
| |
|
|
Discussion
|
| Fri Mar 30
| 18:57
| OEIS Server: https://oeis.org/edit/global/285
|
| |
| |
|
|
#4 by T. D. Noe at Thu Oct 20 20:37:41 EDT 2011
| |
| |
| |
|
|
#3 by Clark Kimberling at Thu Oct 20 20:20:36 EDT 2011
| |
| |
| |
|
|
#2 by Clark Kimberling at Thu Oct 20 19:34:36 EDT 2011
|
|
| NAME
|
allocatedDecimal expansion of forx<0 Clarkhaving Kimberlingx^2+x=3*cos(x).
|
|
| DATA
|
1, 3, 8, 9, 4, 3, 7, 4, 5, 2, 7, 0, 4, 8, 2, 8, 3, 8, 9, 2, 9, 1, 4, 9, 8, 2, 5, 1, 4, 2, 9, 1, 8, 9, 2, 5, 5, 9, 6, 3, 3, 7, 3, 5, 7, 5, 8, 4, 7, 5, 0, 8, 3, 7, 1, 4, 1, 5, 6, 7, 2, 2, 7, 2, 9, 3, 7, 0, 4, 8, 1, 2, 4, 4, 7, 1, 1, 8, 9, 3, 8, 8, 4, 3, 6, 2, 8, 7, 1, 0, 6, 3, 1, 1, 2, 3, 7, 7, 6
|
|
| OFFSET
|
1,2
|
|
| COMMENTS
|
See A197737 for a guide to related sequences. The Mathematica program includes a graph.
|
|
| EXAMPLE
|
negative: -1.38943745270482838929149825142918925596337...
positive: 0.9297344303618125096887004946976108824038...
|
|
| MATHEMATICA
|
a = 1; b = 1; c = 3;
f[x_] := a*x^2 + b*x; g[x_] := c*Cos[x]
Plot[{f[x], g[x]}, {x, -2, 1.5}]
r1 = x /. FindRoot[f[x] == g[x], {x, -1.4, -1.3}, WorkingPrecision -> 110]
RealDigits[r1] (* A197811 *)
r2 = x /. FindRoot[f[x] == g[x], {x, .92, .93}, WorkingPrecision -> 110]
RealDigits[r2] (* A197812 *)
|
|
| CROSSREFS
|
Cf. A197737.
|
|
| KEYWORD
|
allocated
nonn,cons
|
|
| AUTHOR
|
Clark Kimberling (ck6(AT)evansville.edu), Oct 20 2011
|
|
| STATUS
|
approved
editing
|
| |
| |
|
|
#1 by Clark Kimberling at Tue Oct 18 11:25:01 EDT 2011
|
|
| NAME
|
allocated for Clark Kimberling
|
|
| KEYWORD
|
allocated
|
|
| STATUS
|
approved
|
| |
| |
|
|
