If the change in weight vector is represented by ‚Äö√Ñ√∂‚à ö‚Ć‚à ö√∫wij, what does it mean?$

• A. describes the change in weight vector for ith processing unit, taking input vector jth into account
• B. describes the change in weight vector for jth processing unit, taking input vector ith into account
• C. describes the change in weight vector for jth & ith processing unit.
• D. none of the mentioned