| 单词 | linear approximation |
| 释义 | linear approximation A straight line used in economic models to give an approximation to a function which is in fact non-linear. Where the tangent to a curve at a given point is used as a linear approximation, the errors involved tend to be small near the point of tangency, and to increase rapidly with distance from it. Linear approximations are widely used for ease of computation. |
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