a, b = float('-inf'), float('inf')
时间: 2024-01-27 14:03:41 浏览: 23
这行代码定义了两个变量a和b,分别被赋值为负无穷和正无穷。在数学上,正无穷表示一个数比任何实数都大,负无穷表示一个数比任何实数都小。在Python中,可以使用float('-inf')表示负无穷,使用float('inf')表示正无穷。这些特殊的浮点数常常用于需要比较大小的场合,例如找到最大值或最小值。
相关问题
float("-inf")
float("-inf")表示负无穷大。在Python中,可以使用float('-inf')来表示负无穷大。\[2\]
#### 引用[.reference_title]
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[ .reference_list ]
k=float("INF")
As an AI language model, I cannot execute code. However, I can explain what the code does.
The code `k=float("INF")` initializes a variable `k` with a floating-point value of infinity. The `float()` function is used to convert the string "INF" into a floating-point number. The value of infinity is a special value in Python that represents a number greater than any other number. It is often used in mathematical calculations and comparisons.
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