the value at row 0, column 0
the value at row 0, column 1
the value at row 0, column 2
the value at row 1, column 0
the value at row 1, column 1
the value at row 1, column 2
the value at row 2, column 0
the value at row 2, column 1
the value at row 2, column 2
the new 3x3 matrix object
Creates a new 3x3 matrix object initialized with the given values