regression: a value classification: according to one of features tag(multi-label classification): many features

off-the-shelf

A force F is applied on a area microelement of a cube’s surface. There is extra stress because of this force. Let the stress as P. Obviously, P depends on F and the inherent properties of the material, which we set as M. We know the relationship between P, M and F.

P = M * F

Let expand this formulation

Px=M11*Fx + M12*Fy + M13*Fz

M is a tensor, in fact.