public override bool Equals(Object obj)
{
if (obj == null)
{
return(false);
}
Mat2 other = obj as Mat2;
if (Utility.FE(this.mat[0, 0], other.mat[0, 0]) &&
Utility.FE(this.mat[0, 1], other.mat[0, 1]) &&
Utility.FE(this.mat[1, 0], other.mat[1, 0]) &&
Utility.FE(this.mat[1, 1], other.mat[1, 1]))
{
return(true);
}
return(false);
}
public double Minor(int r, int c)
{
Mat2 sub = this.Sub(r, c);
return(sub.Det());
}