Definition:Parametric Equation/Also known as
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Parametric Equation: Also known as
Some older texts, particularly in the context of analytic geometry, refer to parametric equations as freedom-equations, as they express the freedom of the movement of the tuple $\tuple {x_1, x_2, \ldots, x_n}$ as $t$ changes.
Sources
- 1933: D.M.Y. Sommerville: Analytical Conics (3rd ed.) ... (previous) ... (next): Chapter $\text {II}$. The Straight Line: $4$. Special forms of the equation of a straight line: $(1)$ Gradient forms