Pyspark, Finite Element Analysis, Mathematical Modeling, Databricks.
node_row_index_n1 = row node_row_index_n2 = row+1 node_column_index_n1 = column node_column_index_n2 = column node_row_index_for_n1 = (node_column_index_n1-1)*(N2+1)+node_row_index_n1 node_row_index_for_n2 = (node_column_index_n2-1)*(N2+1)+node_row_index_n2 T[alpha-1,n1-1], T[alpha-1,n2-1] =