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 Post subject: Mathematician Finds New Way To MultiplyPosted: Sun Oct 20, 2019 10:10 pm

Joined: Sat Jun 30, 2007 8:04 pm
Posts: 3371
https://science.slashdot.org/story/19/1 ... o-multiply

Interesting article. The paper is pretty scary though:

https://hal.archives-ouvertes.fr/hal-02070778/document

I wonder how applicable this will be for computers? Given its complexity, it probably has to be implemented in hardware to be anywhere efficient enough for computers.

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 Post subject: Re: Mathematician Finds New Way To MultiplyPosted: Mon Oct 21, 2019 3:36 pm

Joined: Sun Apr 27, 2003 8:12 am
Posts: 2077
Location: USA
I don't see much explained but I guess the theory is there. Still needs proven. Anyways, here's how I do that problem in my head.

round 159 to 160
300 x 160 = 48000
10 x 160 = 1600
4 x 160 = 640
48000 + 1600 + 640 = 50240
50240 - 314 = 49926 (minus the rounded number)

Breaking it down to simple math makes it much easier when you don't have a calculator.

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