Chapter 2 Discrete-Time Signals and Systems 1. Problem P2.1: (a) x1 (n) = ∑10 0 (m + 1) [δ (n m= 2m 1) δ (n 2m)] ; 0 n 25. clear; close all; Hf_1 = figure(’Units’,’normalized’,’position’,[0.1,0.1,0.8,0.8],’color’,[0,0,0]);…