 
  Welcome! You have found the homepage of the Summer 2024 manifestation of Math 218.
Properties can be calculated with the
    syntax A.property_name(). A full list of properties can be
    found in the official
    documentation.
Sage also has useful matrix constructors built in,
    like zero_matrix, ones_matrix, identity_matrix,
    and diagonal_matrix.
The following code will determine the first pivot column of the input matrix and decide whether or not the matrix is rank one.