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.
Implement a ROT13 cipher
Return elements unique to either input
Getting the row and column location from a matrix
Detect a number and replace with two NaN's
Equal to their cube
How to subtract?
given 3 sides, find area of this triangle
old wine in a new bottle?
Find the outlier in a set of samples
How to multiply?
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