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单词 Gaussian elimination
释义 Gaussian elimination
[¦gau̇·sē·ǝn ǝ´lim·ǝ`nā·shǝn]
MATHEMATICS
A method of solving a system of n linear equations in n unknowns, in which there are first n - 1 steps, the mth step of which consists of subtracting a multiple of the mth equation from each of the following ones so as to eliminate one variable, resulting in a triangular set of equations which can be solved by back substitution, computing the nth variable from the nth equation, the (n - 1)st variable from the (n - 1)st equation, and so forth.
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