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.
Determine if a Given Number is a Triangle Number
Reverse the Words (not letters) of a String
Back to basics 14 - Keywords
Basics: 'Find the eigenvalues of given matrix
05 - Vector Equations 2
Check if any duplicates in your data
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