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What is NaN (Not a Number) in the words of a beginner? What is a NaN value or NaN exactly (in the words of a non-math professor)? Let's suppose you're working with real numbers - numbers like 1, π, e, -137, 6 626, etc In the land of real numbers, there are some operations that usually can be performed, but sometimes don't have a defined result For example, let's look at logarithms
How do you check that a number is NaN in JavaScript? The NaN (Not-a-Number) is a weirdo Global Object in javascript frequently returned when some mathematical operation failed You wanted to check if NaN == null which results false
floating point - Why is NaN not equal to NaN? - Stack Overflow NaN is designed to propagate through all calculations, infecting them like a virus, so if somewhere in your deep, complex calculations you hit upon a NaN, you don't bubble out a seemingly sensible answer Otherwise by identity NaN NaN should equal 1, along with all the other consequences like (NaN NaN)==1, (NaN*1)==NaN, etc
训练深度学习网络时候，出现Nan是什么原因，怎么才能避免？ 四、调试 NaN 的技巧 当训练过程中出现 NaN 时，可以使用以下技巧进行调试： 打印每一层的激活值和梯度：通过打印中间层的激活值和梯度，可以帮助你确定在哪一层出现了 NaN。 逐步缩小学习率：如果出现 NaN，尝试逐步减小学习率，并观察是否能够恢复正常训练。 使用小批量数据进行调试：可以
What is the difference between Null, NaN and undefined in JavaScript . . . What is the difference between Null, NaN and undefined in JavaScript? I have come across all three values, and have understood them to be “there isn’t anything here” in the context I found them- but I was hoping for a more detailed explanation as to why they occur, as well as what they mean in different contexts (for example- against an