eye
fun eye(size:Int):Matrix<Double>
Creates a square identity matrix with the given size
fun <T> eye(size:Int, dtype:MatrixType<T>):Matrix<T>
fun <T> eye(rows:Int, cols:Int, dtype:MatrixType<T>):Matrix<T>``fun eye(rows:Int, cols:Int):Matrix<Double>
Creates an identity matrix with the given size