Tagged Questions
2
votes
1answer
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Fixed-point method in many-dimensions
A well known method of easily solving multi-dimensional non-linear root finding problems, is to bring the equations into the form:
$$\bf x = g(x)$$
And then iterating. The problem is, one has to find ...
5
votes
1answer
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spectrum of the “discrete Laplacian operator”
In numerical analysis, the discrete Laplacian operator $\triangle$ on $\ell^2({\bf Z})$ can be written in terms of the shift operator
$\triangle=S+S^*-2I$
where $S$ is the right shift operator. ...