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View search results from all Wolfram sites (216778 matches)The element in the diagonal of a matrix by which other elements are divided in an algorithm such as Gauss-Jordan elimination is called the pivot element. Partial pivoting is ...
The Woodbury formula (A+UV^(T))^(-1)=A^(-1)-[A^(-1)U(I+V^(T)A^(-1)U)^(-1)V^(T)A^(-1)] is a formula that allows a perturbed matrix to be computed for a change to a given ...
The process of taking the complement of a set or truth function. In the latter case, complementation is equivalent to the NOT operation.
A type I Markov move.
A positive-height (outward-pointing) pyramid used in augmentation. The term was introduced by B. Grünbaum.
A section of a graph obtained by finding its intersection with a plane.
To rearrange without cutting or pasting.
A type II Markov move.
The set closure of the set of arguments of a function f for which f is not zero.
The Reidemeister move of type I.
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