对于a,b都属于R 记max{a,b}= a,a大于或等于b;b,a小于b(大概分两种情况讨论的吧 反正题目是将上述的 a,a大于或等于b;b,a小于b 用大括号括起来),则函数f(x)=max{丨x+1丨,丨x-2丨}(x属于R)的最小
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![对于a,b都属于R 记max{a,b}= a,a大于或等于b;b,a小于b(大概分两种情况讨论的吧 反正题目是将上述的 a,a大于或等于b;b,a小于b 用大括号括起来),则函数f(x)=max{丨x+1丨,丨x-2丨}(x属于R)的最小](/uploads/image/z/7799135-23-5.jpg?t=%E5%AF%B9%E4%BA%8Ea%2Cb%E9%83%BD%E5%B1%9E%E4%BA%8ER+%E8%AE%B0max%7Ba%2Cb%7D%3D+a%2Ca%E5%A4%A7%E4%BA%8E%E6%88%96%E7%AD%89%E4%BA%8Eb%EF%BC%9Bb%2Ca%E5%B0%8F%E4%BA%8Eb%EF%BC%88%E5%A4%A7%E6%A6%82%E5%88%86%E4%B8%A4%E7%A7%8D%E6%83%85%E5%86%B5%E8%AE%A8%E8%AE%BA%E7%9A%84%E5%90%A7+%E5%8F%8D%E6%AD%A3%E9%A2%98%E7%9B%AE%E6%98%AF%E5%B0%86%E4%B8%8A%E8%BF%B0%E7%9A%84+a%2Ca%E5%A4%A7%E4%BA%8E%E6%88%96%E7%AD%89%E4%BA%8Eb%EF%BC%9Bb%2Ca%E5%B0%8F%E4%BA%8Eb+%E7%94%A8%E5%A4%A7%E6%8B%AC%E5%8F%B7%E6%8B%AC%E8%B5%B7%E6%9D%A5%EF%BC%89%2C%E5%88%99%E5%87%BD%E6%95%B0f%28x%29%3Dmax%7B%E4%B8%A8x%2B1%E4%B8%A8%2C%E4%B8%A8x-2%E4%B8%A8%7D%EF%BC%88x%E5%B1%9E%E4%BA%8ER%EF%BC%89%E7%9A%84%E6%9C%80%E5%B0%8F)
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