mingcaixiao / columngenerationforcutstockproblem Goto Github PK

materialLen1 materialLen2 等

This is my data
6000
[1380, 1520, 1560, 1710, 1820, 1880, 1930, 2000, 2050, 2100, 2140, 2150, 2200]
[22, 25, 12, 14, 18, 18, 20, 10, 12, 14, 16, 18, 20]

Total parts are 219. But in the result
pattern_0: 2000x3 1
pattern_1: 1380x1 1520x3 6
pattern_2: 1380x2 1560x2 2
pattern_3: 1710x1 2140x1 2150x1 11
pattern_4: 1380x3 1820x1 3
pattern_5: 1930x2 2100x1 5
pattern_6: 1880x2 2200x1 9
pattern_7: 1820x1 2050x1 2100x1 9
pattern_8: 1930x2 2140x1 5
pattern_9: 1820x1 2000x1 2150x1 7
pattern_10: 1710x1 2050x1 2200x1 3
pattern_11: 1560x1 2200x2 4
pattern_12: 1380x1 1520x2 1560x1 4

we are getting 222 parts
1380, 1520 & 1820 has one extra cut.