Consider a mapping $F: \mathbf{R}^n \rightarrow \mathbf{R}^3 (n \geqslant 3)$ defined by an ordered triple of real-valued quadratic forms; if some linear combination ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In mathematics, a quadratic is a type of problem that deals with a variable multiplied by itself ...