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.
Swap the input arguments
Whether the input is vector?
Return 'on' or 'off'
Check if any duplicates in your data
Distance walked 2D
Inner product of two vectors
Given a number N, find the smallest prime P>N
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