Amitava, it is fantastic that you are contributing problems, but you really need to spend more time specifying what the solution should do. The person solving is left needing to guess too much.
Definitely Agree with the cyclist. W/o example it is impossible to understand the task to achieve.
The DC component of a signal is usually its mean. Now filter can have many meanings, but in this case, it means to remove the signal variation.
Find all elements less than 0 or greater than 10 and replace them with NaN
Factorize THIS, buddy
Generate a random matrix A of (1,-1)
Simple equation: Annual salary
Find nth maximum
An asteroid and a spacecraft
Use of regexp
Simple spirometer - find your lung capacity from the number and size of soap bubbles in one breath
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