In telecommunication, linearity is the property of a system in which, if input signals X and Y result in system outputS (X ) and S (Y ) respectively, the input signalaX + bY will result in the output aS (X ) + bS (Y ), where S is the system transfer function and a and b are scalars.
... Wesley and John Newton put
it among the works that influenced them at their
conversion. General Gordon carried it with him
to the battlefield.
Few books have had so ...