PT  - JOURNAL ARTICLE
AU  - Marcel, ABAS
TI  - A NOTE ABOUT THE NORM OF GRADIENT
DP  - 2011 Jul 1
TA  - Trends in education
PG  - 13--15
VI  - 4
IP  - 1
IS  - 18058949
AB  - If the gradient of a function is non-zero in a point, it can be interpreted as the direction in which the function changes most quickly. In this contribution we show that there is a possibility to establish the direction even if the gradient is zero and that this can be done with knowledge which students have it their stage of study.