posynomial (suomeksi)

Määritelmät:

(lb, en, math) A (l, en, function) of the form $f(x_1, x_2, \dots, x_n) = \sum_{k=1}^K c_k x_1^{a_{1k) \cdots x_n^{a_{nk)$ , where all the coordinates $x_i$ and coefficients $c_k$ are positive (l, en, real number, real numbers), and the exponents $a_{ik}$ are real numbers.