The model of expectation-of-life under linear assumption;
线性假设条件下的平均余寿模型
With the use of the shrinked-map principle, we obtain a more general condition of the stability in cobweb model, where the usually cited linear hypothesis is canceled.
针对更一般的情形 ,利用压缩映象原理 ,给出了蛛网模型的稳定性条件 ,取消了通常的线性假设 ,同时提供了“蛛网”的一种简洁的几何描述。
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