Message Boards Message Boards

0
|
1850 Views
|
2 Replies
|
1 Total Likes
View groups...
Share
Share this post:

Derivative of vector given the sum of its n elements?

Posted 3 years ago

How can I calculate the differentiation of qi if I have the sum of n qi

POSTED BY: I A
2 Replies
Posted 3 years ago

Thank you very much.

POSTED BY: I A

Maybe this:

W1 = (\[Alpha] - (Sum[Subscript[q, j], {j, 1, n}]) - Subscript[w, 
      i]) Subscript[q, i] - 
   t Subscript[e, i]  - (\[Gamma]/2) (Subscript[a, i])^2 - K;
Simplify[D[W1, Subscript[q, i]], Element[i, Integers] && 1 <= i <= n]
POSTED BY: Gianluca Gorni
Reply to this discussion
Community posts can be styled and formatted using the Markdown syntax.
Reply Preview
Attachments
Remove
or Discard

Group Abstract Group Abstract