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.
Most nonzero elements in row
Omit columns averages from a matrix
Find the "ordinary" or Euclidean distance between A and Z
Set some matrix elements to zero
Person of interest?
Mr. Pyramidad & Ms. Whissy Bolower
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