符号工具箱 ATLAB Mapple r=solve(1/x=X-1) [1/2*5^(1/2)+1/2] phi =r(1) [1/2-1/2*5^(1/2) vpa(phi, 50) 1/2*5^(12)+1/2 1.6180339887498948482045868343656381177203091798058 phi= double(phi 1.61803398874989r = solve(‘1/x = x-1’); r = [ 1/2*5^(1/2)+1/2] [ 1/2-1/2*5^(1/2)] 符号工具箱 Mapple phi = r(1) vpa (phi,50) 1/2*5^(1/2)+1/2 1.6180339887498948482045868343656381177203091798058 phi = double(phi) 1.61803398874989