Input x is the sampled signal vector, may have both AC and DC components. output vector y should have AC components removed then change sign alternately, for example, input [1:5], output [3 -3 3 -3 3].
Find state names that end with the letter A
2 b | ~ 2 b
letter yes yes & letter no no
Find the biggest empty box
06 - Matrix Equations 1
Predicting life and death of a memory-less light bulb
Energy of a photon
Create One Large Eye of size N x N Quickly?
Least common multiple of many numbers
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