Talk:Continued fraction/Arithmetic/G(matrix ng, continued fraction n): Difference between revisions
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(c++ version calculates cf for <math>\frac{1 + \frac{1}{\sqrt{2}}}{2}</math>) |
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* The task description uses the notation "+ 1/2" which apparently corresponds to an "NG matrix" with a1=2, a=1, b1=0, b=2 and the notation "divided by 4" which apparently corresponds to an "NG matrix" with a1=1, a=0, b1=0, b=4. There is probably a good reason for this, but that should also be documented. Some implementations also use other "NG Matrices" but why? |
* The task description uses the notation "+ 1/2" which apparently corresponds to an "NG matrix" with a1=2, a=1, b1=0, b=2 and the notation "divided by 4" which apparently corresponds to an "NG matrix" with a1=1, a=0, b1=0, b=4. There is probably a good reason for this, but that should also be documented. Some implementations also use other "NG Matrices" but why? |
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* The task mentions generating an Arithmetic-geometric mean but neglects to mention what this would be a mean of. |
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Anyways... this draft has potential, but it also needs some work. --[[User:Rdm|Rdm]] ([[User talk:Rdm|talk]]) 10:25, 9 July 2015 (UTC) |
Anyways... this draft has potential, but it also needs some work. --[[User:Rdm|Rdm]] ([[User talk:Rdm|talk]]) 10:25, 9 July 2015 (UTC) |
Revision as of 03:02, 11 July 2015
r2cf
Note that [1;5,2] is rc2f(13,11) and [3;7] is rc2f(22,7).--Nigel Galloway 12:30, 7 February 2013 (UTC)
How to build?
I can't get the c++ entry to compile. How is that done? --Rdm (talk) 14:05, 8 July 2015 (UTC)
- Answer:
- * Replace reference to NG_8 with NG_4
- * Take the first body of code and save it as ng.hpp - adding these lines at the top <lang c++>#include <iostream>
- include <cmath>
- include "r2cf.hpp"</lang>
- * populate r2cf.hpp with the first block of code at Continued_fraction/Arithmetic/Construct_from_rational_number#C.2B.2B
- Each main block gets an
#include "ng.hpp"
header and gets compiled as c++11
- I think the implementation should be fixed up so it works, but I'll leave that to someone else... --Rdm (talk) 04:32, 10 July 2015 (UTC)
Marking as "draft"
I am marking this task as "draft". It should have started out in draft status, but has never been in draft status.
Also, currently:
- The task description uses the notation "+ 1/2" which apparently corresponds to an "NG matrix" with a1=2, a=1, b1=0, b=2 and the notation "divided by 4" which apparently corresponds to an "NG matrix" with a1=1, a=0, b1=0, b=4. There is probably a good reason for this, but that should also be documented. Some implementations also use other "NG Matrices" but why?
Anyways... this draft has potential, but it also needs some work. --Rdm (talk) 10:25, 9 July 2015 (UTC)