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I want to do a least squares fit to the values around a matrix diagonal including the diagonal itself.

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Douglas Brenner
Douglas Brenner 2018 年 10 月 9 日
コメント済み: Stephen Cobeldick 2018 年 10 月 10 日
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Stephen Cobeldick
Stephen Cobeldick 2018 年 10 月 10 日
Douglas Brenner's "Answer" moved here:
Actually the post went out prematurely. But it help me get a clearer picture of what I want to do. So let me ask another question. How do I query the values in a matrix surrounding the diagonal? That is for each row and column such that sqrt(p^2 + q^2) < n^2 elements from the diagonal besides a loop.
Walter Roberson
Walter Roberson 2018 年 10 月 10 日
? You are looking for a quarter-circle centered just outside the upper left corner, with radius n ?

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Stephen Cobeldick
Stephen Cobeldick 2018 年 10 月 10 日
"How do I query the values in a matrix surrounding the diagonal?"

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