出典:Wikipedia
出典:『Wikipedia』 (2010/10/22 23:18 UTC 版)
In mathematics, particularly matrix theory and combinatorics, the Pascal matrix is an infinite matrix containing the binomial coefficients as its elements. There are 3 ways this can be achieved - either as an upper-triangular matrix, a lower-triangular matrix, or as a symmetric matrix. The 5×5 truncations of these are shown below.