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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: sci.electronics.design,comp.dsp
Subject: Re: DDS question: why sine lookup?
Date: Sat, 10 May 2025 00:44:42 -0000 (UTC)
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On Wed, 7 May 2025 20:27:58 -0400, bitrex wrote:

> If you then integrate a band-limited square wave you get a band-limited
> triangle wave directly.

If you’re going to do it with integral/differential equations, why not 
solve an SHM system and get a sine wave directly?