**arrangement . get _ preference _ matrix():get _ preference _ matrix()**是一个 sympy Python 库函数 ...
L. G. J. M. Voltarelli, A. A. B. Pessa, L. Zunino, R. S. Zola, E. K. Lenzi, M. Perc, H. V. Ribeiro, Characterizing unstructured data with the nearest neighbor ...