@Override
    public INDArray rand(char order, long rows, long columns) {
        return Nd4j.getRandom().nextDouble(order, new long[] {rows, columns});
    }
@Override
    public INDArray rand(char order, long rows, long columns) {
        return Nd4j.getRandom().nextDouble(order, new long[] {rows, columns});
    }
@ Override public INDArray rand ( char order , long rows , long columns ) { return Nd4j . getRandom ( ) . nextDouble ( order , new long [ ] { rows , columns } ) ; }
Create a random (uniform 0-1) NDArray with the specified shape and order
@param order      Order ('c' or 'f') of the output array
@param rows       Number of rows of the output array
@param columns    Number of columns of the output array
Create a random ( uniform 0 - 1 ) NDArray with the specified shape and order