"Source: Text/Basics/Mat.text";
"Line: 99";
"Date: Thu Sep 25 14:47:46 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Basics/Mat.text, line: 99
// Example: H27E1 ()
print "Example: H27E1";
ei := GetEchoInput();
SetEchoInput(true);
X := Matrix(IntegerRing(), 2, 2, [1,2, 3,4]);
X;
Parent(X);
X := Matrix(GF(23), 2, 3, [1,-2,3, 4,100,-6]);
X;
Parent(X);
X := Matrix(RationalField(), 5, 10, [<1,2,23>, <3,7,11>, <5,10,-1>]);        
X;
Parent(X);
X := Matrix(GF(101), 10, 10, [<2*i-1, 2*j-1, i*j>: i, j in [1..5]]);         
X;
Parent(X); 
SetEchoInput(ei);
