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title: Binomial theorem categories: maths Binomial Theorem Let \(n\) be a nonnegative integer. Then \[\sum_{k=0}^n 2^k\left(\begin{array}{l} n \\ k \e 阅读全文
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# Approximation Theory and Method ch7 ... as the sign of $p(x)$. It follows that $p^{*}$ is a best minimax approximation from $\mathscr{A}$ to $f$ if 阅读全文
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# Approximation Theory and Method part 3 ### Basic properties of divided differences Let $\left\{x_i ; i=0,1, \ldots, n\right\}$ be any $(n+1)$ distin 阅读全文