CLF轴([-2 2 -2])保持在h = 1/64;x = 2: h: 2;w = exp (x);p(1) =情节(x, w);p(2) =情节(w x);情节(2[2],[0 0],“k”)情节([0 0]2[2],“k”)图(2 [2],[2 2],k,)组(p“线宽”,1.5)组(gca, xtick, 2 1 0 1 2,…xticklabels, {' 2 ', ' 1 ', ' 0 ', ' 1 ', ' 2 '}) (gca, ytick, 2 1 0 1 2,…yticklabels,{' 2 ', 1”、“0”、“1”、“2”})传说(exp (x),“日志(x)”,“位置”,“西北”)标题(“日志(x)”)