public SDVariable eye(String name, int rows, int cols, DataType dataType) {
        return eye(name, rows, cols, dataType);
    }
public SDVariable eye ( String name , int rows , int cols , DataType dataType ) { return eye ( name , rows , cols , dataType ) ; }
Generate an identity matrix with the specified number of rows and columns
Example:<br>
<pre>
{@code SDVariable eye = eye(3,2)
eye:
[ 1, 0]
[ 0, 1]
[ 0, 0]}
</pre>

@param name Name of the new SDVariable
@param rows Number of rows
@param cols Number of columns
@return SDVaribable identity matrix