(38G) First Programme for HP 38G: Integer Partitions (Using Gauss' Method)
05-20-2014, 06:01 PM (This post was last modified: 06-15-2017 01:35 PM by Gene.)
Post: #1
 Gerald H Senior Member Posts: 1,458 Joined: May 2014
(38G) First Programme for HP 38G: Integer Partitions (Using Gauss' Method)
Edit: More easily readable & faster programme.

The programme's name is P4. Input a positive integer in the Home screen & actuate the programme. For input N = 6 the screen displays:

p(6)
11
Exact to N = 180

Ans+1►N:
MAKELIST(1,X,1,N,1)►L1:
FOR I=2 TO N STEP 1;
1►H:
-1►V:
I-1►K:
0►A:
WHILE K>0
REPEAT
A*V+L1(K)►A:
FLOOR(2^V*H+1)►H:
-V►V:
K-H►K:
END:
ABS(A)►L1(I):
END:
ERASE:
DISP 2;" p("N-1"):":
DISP 4;" "L1(N):
DISP 6;"Exact to N = 180":
BEEP 1953;.18:
FREEZE:

http://en.wikipedia.org/wiki/Partition_(number_theory)

informative concerning partitions.
03-28-2015, 05:38 AM
Post: #2
 Gerald H Senior Member Posts: 1,458 Joined: May 2014
RE: First Programme for HP 38G: Integer Partitions (Improved Programme)
Edit: Improved programme.
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