Dec 31, 2014equation:等式,方程式 英英释义: an assertion that two expressions are , expressed by writing the two expressions separated by an equal sign; From which one is to determine a. An equation is meant to be solved, that is, there are some unknowns.
May 28, 2013if we want an equation f(x, y) f (x, y) for the line, the domain of f f can only be the shadow of the line on the xy x y plane. Oct 8, 2024this equation has the eccentricity as an explicit parameter. In cartesian coordinates, we normally use separate equations for parabolas.
Is there an equation for a rectangle?