2021/12/20

Math for Deep Learning: arg min

arg min f(x) = the value x with the minimum value of f(x)

這個arg min f(x)的意思是,當f(x)是最小值的時候,x的數值


e.g. 以下的例子

f(0) = 3

f(0.9) = 2.1

f(1) = 2

f(1.1) = 2.5

f(2) = 5

f(3) = 46

因為最小的f(x) = 2
則arg min f(x) = 1

Reference:

Explanation on arg min

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