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:Perhaps you know this, and your question is: why do we want to use a column vector? Well, '''f''' has to be a column vector because '''f'''<sup>T</sup>'''f''' further down the article should be a [[inner product]], and '''p''' has to be a column vector because it's added to '''q''', which is a column vector because otherwise the product '''Jq''' does not make sense. -- [[User:Jitse Niesen|Jitse Niesen]] ([[User talk:Jitse Niesen|talk]]) 23:19, 15 December 2005 (UTC)
== Improvement by
What's about the improvement Marquardt made to the algorithm?
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