单词	permutation matrix
释义	permutation matrix An n×n matrix with a single 1 in each row and each column and 0s everywhere else which can be used to represent a permutation of the n objects in a set. For example, to map 1, 2, 3 to 1, 3, 2 the matrix would be used because
随便看	Earth eccentric eccentricity eccentricity echelon form ECO EDA edge edge-transitive education theory efficiency efficiency effort Efron dice Egyptian fraction eigenbasis eigenfunction eigenspace eigenvalue Einstein, Albert Einstein's notation Eisenstein's criterion elastic elastic collision elasticity

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