FOCUS | numeric



I hope that someone out there finds this site interesting. Items posted here are not tutorials - but feel free to use them as such if you wish. I have tried to remain informal (assuming that most visitors won't be mathematicians) but have tried to keep my language precise and mathematically correct. In every case I explain what I'm doing so that any careful reader will be able to follow the logic if not the math.

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Math on this site is rendered with Math Jax and \( \LaTeX \) . Below you should see some mathematical expressions. If Math Jax is working correctly they should look like math - and not a jumble of typesetting code. $$g \in \bigcup_{n=1}^{\infty} U_{n, \varepsilon} \ \therefore \ g \in C(x)$$ \( \| x \|_p = \left( \displaystyle\sum_{i=1}^n \vert x_i \vert^p \right)^{1/p}\), \( \ \ \ A_{m,n} = \begin{pmatrix} a_{1,1} & a_{1,2} & \cdots & a_{1,n} \\ a_{2,1} & a_{2,2} & \cdots & a_{2,n} \\ \vdots & \vdots & \ddots & \vdots \\ a_{m,1} & a_{m,2} & \cdots & a_{m,n} \end{pmatrix}\), \( \ \ \ \displaystyle\int_\Omega x \cdot f(x) \ dx = 1 \)

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