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Direct linkLeggett, Deanna; Perry, John; Torrence, Eve – College Mathematics Journal, 2011
Dodgson's method of computing determinants is attractive, but fails if an interior entry of an intermediate matrix is zero. This paper reviews Dodgson's method and introduces a generalization, the double-crossing method, that provides a workaround for many interesting cases.
Descriptors: Matrices, Teaching Methods, Mathematics Instruction, Problem Solving
