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].
Could you be a bit more specific about the specs? What exactly are we supposed to do here?
Triangle Numbers Below N
Check if number exists in vector
Sum the elements in either diagonal of a square matrix
find radius of cone
Check if equal
Multiply a column by a row
Angle of triangle
Inner product of two vectors
letter yes yes & letter no no
Least common multiple of many numbers
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