How to form a Multiplicative combination of two feature vectors ?

Is there any way or built in function available on matlab to form a multiplicative combination of two feature vectors?

For example by using the following type of equetion.

features (<C i , C j > ) = < f i 1 ∗f j1 , ···, f ik ∗f jk , D > ,

[KALYAN ACHARJYA]

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[Walter Roberson]

The references to f_ik implies that f is 2D, not a vector.

Answer 1

[Walter Roberson]

C = vector1(:) * vector2(:).';

This works regardless of whether vector1 and vector2 are row or column vectors.