code: def forward(self, x, x_mark):
      x = (
          self.value_embedding(x)
          + self.temporal_embedding(x_mark)
          + self.position_embedding(x)
      )
      return self.dropout(x)
  
imports: import math
label_desc: Use image node_id 2 for calling the DataEmbedding obj's underlying member method code with example usage: obj.forward(x, x_mark) and returns: self