Cofinite Filter

See also

This entry contributed by Viktor Bengtsson

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More things to try:

• {{2,-1,1},{0,-2,1},{1,-2,0}}.{x,y,z}
• ditetragonal pyramidal
• inv {{10, -9, -12}, {7, -12, 11}, {-10, 10, 3}}

Cite this as:

Weisstein, Eric W., with contributions by Viktor Bengtsson. "Cofinite Filter." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/CofiniteFilter.html

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