Round toward zero Least common multiple extracts the upper triangular part of matrix where the sum of each row equal to sum of each column and equal the sum of main diagonal elements A matrix with uniformly distributed random elements none ged J U fix ] pascal who rand ceil randa quit Icm U size 1 floor tril length triu magic U Round toward zero Least common multiple extracts the upper triangular part of matrix where the sum of each row equal to sum of each column and equal the sum of main diagonal elements A matrix with uniformly distributed random elements none ged J U fix ] pascal who rand ceil randa quit Icm U size 1 floor tril length triu magic U