Calculus 1 Lecture 1.4: Continuity of Functions
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Summary
在这段讲座中,讲解了函数的连续性定义,强调了一个函数在某一点是连续的条件:该点必须存在,极限必须存在且相等。讲师通过示例说明了可去间断和跳跃间断的区别,并介绍了如何通过极限和函数值判断连续性。还提到多项式在其定义域内是处处连续的,分式函数在分母不为零的情况下也是连续的。最后,讲解了中间值定理,说明了如何利用该定理来近似根的值。
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