Hi, why in minute 20:10 you wrote an x in x-1, isn't the partial derivative of mu just 1?? and then, you cancel -1 with -1 which has no sense for me, can you explain your reasoning there please?
Hi! The reason for the -1 is because when using the chain rule, we need to take the derivative of the inner function so in (log(x_i)-u)^2. The inner function is log(x_i)-u. Therefore, taking derivative of the inner function with respect to u is -1.
এতদিন কোথায় ছিলে ওস্তাদ! খুব সুন্দর ডিসকাশন- টু দ্য পয়েন্ট, ক্লিয়ার। ভালোবাসা নিও।
Hi, why in minute 20:10 you wrote an x in x-1, isn't the partial derivative of mu just 1?? and then, you cancel -1 with -1 which has no sense for me, can you explain your reasoning there please?
Hi! The reason for the -1 is because when using the chain rule, we need to take the derivative of the inner function so in (log(x_i)-u)^2. The inner function is log(x_i)-u. Therefore, taking derivative of the inner function with respect to u is -1.
Oh! One more thing, your accent is too cute! It reminds me of the baby who said to his daddy- I did't poop, I peed. 🥹
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