|
3 items are filed under this topic.
 |
|
|
|
|
|
|
|
|
Heat equation |
2017-11-23 |
|
From Max:
What does du\dt=a(triangle)^2u mean. Can it be solved for t.
Answered by Penny Nom. |
|
|
|
|
|
|
Partial derivatives |
2009-01-17 |
|
From Meghan:
I have a question I've been working at for a while with maxima/minima of partial derivatives.
"Postal rules require that the length + girth of a package (dimensions x, y, l) cannot exceed 84 inches in order to be mailed.
Find the dimensions of the rectangular package of greatest volume that can be mailed.
(84 = length + girth = l + 2x + 2y)"
Answered by Harley Weston. |
|
|
|
|
|
|
Derivées partielle |
1999-10-19 |
|
From Arnaud Flandin:
Quel est la definition des derivées partielle
Answered by Claude Tardif. |
|
|
|
