devmachiine/tables.md

Created January 14, 2020 08:12

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Visual for answer https://math.stackexchange.com/questions/726227/how-can-i-generate-the-products-of-two-three-digit-numbers-in-descending-order/3508094#3508094

Raw

Multiplication table

	5	4	3	2	1
5	25	20	15	10	5
4	20	16	12	8	4
3	15	12	9	6	3
2	10	8	6	4	2
1	5	4	3	2	1

Remove redundant half

	5	4	3	2	1
5	25
4	20	16
3	15	12	9
2	10	8	6	4
1	5	4	3	2	1

Replace with ordinals

	5	4	3	2	1
5	1
4	2	3
3	4	5	7
2	6	8	10	12
1	9	11	13	14	15

Hilb3r7 commented Feb 19, 2020

There is a mistake that makes this not work as described. 3 * 2 = 6 which is bigger than 5 * 1 = 5, but the pattern as laid out has 5 > 6

Author

devmachiine commented Mar 5, 2020

Thanks, nice catch! I updated the stack-overflow answer.

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