echelon matrix

echelon matrix

[′esh·ə‚län ‚mā·triks]
(mathematics)
A matrix in which the rows whose terms are all zero are below those with some nonzero terms, the first nonzero term in a row is 1, and this 1 appears to the right of the first nonzero term in any row above it.
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New entries for this edition include topics such as anti-derivatives, complexity theory, echelon matrix, global positioning system and zero function.