<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Deviation-Variables on Aayush Bajaj's Augmenting Infrastructure</title><link>https://abaj.ai/tags/deviation-variables/</link><description>Recent content in Deviation-Variables on Aayush Bajaj's Augmenting Infrastructure</description><generator>Hugo</generator><language>en</language><copyright>© 2026 Aayush Bajaj</copyright><lastBuildDate>Fri, 10 Jul 2026 08:15:51 +1000</lastBuildDate><atom:link href="https://abaj.ai/tags/deviation-variables/index.xml" rel="self" type="application/rss+xml"/><item><title>Goal</title><link>https://abaj.ai/wiki/ccs/programming/paradigms/goal/</link><pubDate>Fri, 10 Jul 2026 07:43:56 +1000</pubDate><guid>https://abaj.ai/wiki/ccs/programming/paradigms/goal/</guid><description>&lt;p>most optimisation asks for the &lt;em>best&lt;/em>; goal programming asks for &lt;em>good enough&lt;/em>, several times over.&lt;span class="margin-note" data-note="the deviation-variable trick first appeared in a 1955 charnes-cooper-ferguson paper on executive pay; the name arrived with their 1961 book">
 &lt;span class="margin-note-indicator">𐃏&lt;/span>
&lt;/span>

you attach a numeric target to each of several objectives, measure how far the plan misses each target, and minimise the misses you dislike. the philosophy is herbert simon&amp;rsquo;s &lt;strong>satisficing&lt;/strong>&lt;sup id="fnref:1">&lt;a href="#fn:1" class="footnote-ref" role="doc-noteref">1&lt;/a>&lt;/sup> — real decision makers do not maximise a grand utility function, they set aspiration levels and stop when they are met — and the machinery is pure &lt;a
 href="https://abaj.ai/wiki/ccs/programming/paradigms/linear/"
 
 
>linear programming&lt;/a>: goal programming was invented by charnes and cooper as an LP device&lt;sup id="fnref:2">&lt;a href="#fn:2" class="footnote-ref" role="doc-noteref">2&lt;/a>&lt;/sup> and remains the most-used technique in practical multi-criteria decision making precisely because it never leaves LP territory.&lt;/p></description></item></channel></rss>