code: public SDVariable zero(String name, org.nd4j.linalg.api.buffer.DataType dataType, int... shape) {
          return var(name, new ZeroInitScheme(), dataType, ArrayUtil.toLongArray(shape));
      }
docs: Create a new variable with the specified shape, with all values initialized to 0
  
  @param name  the name of the variable to create
  @param shape the shape of the array to be created
  @return the created variable