Reference: product
product(a1, a2, ..., an) returns the product of the real or complex numbers a1, a2, ..., and an. sum(v) returns the product of all components in the real or complex vector v.
product(a1, a2, ..., an) returns the product of the real or complex numbers a1, a2, ..., and an. sum(v) returns the product of all components in the real or complex vector v.