This directory contains 4 workflows.
https://forum.knime.com/t/calculate-the-result-according-to-a-matrix-table/65679
https://forum.knime.com/t/calculate-the-result-according-to-a-matrix-table/65679
https://forum.knime.com/t/calculate-the-result-according-to-a-matrix-table/65679
https://forum.knime.com/t/calculate-the-result-according-to-a-matrix-table/65679