The temperature at a point (x, y, z) is given by
T(x,y,z) = 10e^(-x^2-2y^2-3z^2)
In which direction does the temperature increase fastest at the point (3, 4, 2)?
Express your answer as a UNIT vector.
收錄日期: 2021-04-15 18:55:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150402170823AAkVcN2