The requirements of the First Derivative of a digital function:
A)must be zero in areas of constant intensity
B)must be non-zero at the onset of an intensity step
C)must be non-zero along ramps
D)all of the mentioned

Question

Quizplus · Accepted Answer

The first derivative of a digital function indeed must be zero in areas of constant intensity, non-zero at the onset of an intensity step, and non-zero along ramps, as these conditions describe the changes in intensity that the derivative is meant to capture.

The Requirements of the First Derivative of a Digital Function