FEA : in a constant strain triangle, whats the purpose of the Jacobian matrix?

Question

im stuck on the Jacobian matrix in a constant strain triangle.

whats is purpose?

could somebody explain this to me?

i get how to use it, i just dont understand what the hec it is, and what the point of it is...

thanks in advance

Answer 1

no wtf??? Can you explain factor analysis and discriminate function analysis to me....??? I should be studyin it right now.....but i don't wanna.

EDit

Ha! Well, yeah breaks work when YOU COME BACk, sometimes i get disracted and do something else and then whoops an hr gone doin i dont kno what...Like now.