The Cross Product Between Two Vectors Definition Let u = ai + bj + ck and v = di + ej + fk be vectors then we define the cross product v x w by the determinant of the matrix:
Huperzia serrata is a rare Chinese herb which contains a powerful alkaloid called Huperzine A (Hup A for short). According to studies, Hup A has been proven to be beneficial in protecting the brain, including slowing the progression of Alzheimer's disease.
Hun. noun. 1  A member of a group of Central Asian nomadic pastoralist peoples who invaded Europe in the fourth and fifth centuries AD and were defeated in 455. 2  often hun A barbarous or destructive person. 3  Offensive Slang Used as a disparaging term for a German, especially a German soldier in World War I.oun. 1  A member of a group of Central Asian nomadic pastoralist peoples who invaded Europe in the fourth and fifth centuries AD and were defeated in 455. 2  often hun A barbarous or destructive person.