• Show me a place where that's not true where the tangent line will be really bad.

    请给我个这个原则不对的例子,也就是说切线没起到相应作用的例子。

    麻省理工公开课 - 计算机科学及编程导论课程节选

  • That means that you want to pick, ultimately, a point on this-- this line is tangent to the efficient portfolio frontier with all the other assets in it.

    那意味着你会最终会在这上面选一个点-,这条直线是与有效边界相切的,后者包含了所有的资产组合。

    耶鲁公开课 - 金融市场课程节选

  • I don't know how well you can see it in this figure here, is the slope of a straight line connecting these two points, and as the points come closer and closer, the straight line would become tangent to the curve.

    我不清楚你们对于这个图像的理解,这条连接两点的斜线,随着两点距离逐渐缩小,两点连线会变成曲线的切线

    耶鲁公开课 - 基础物理课程节选

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