x+3y3+22=1/2 例:求解{x2+3y+2 2 x3+23x+2y2=2/4 >>[xy,z= solve(x+3*y^3+2*2^2=1/21,x2+3*y+z^3=2 2x^3+2*2+2*y^2=2/4); >>X(22)2y(22,(22) ans≡ 1.0869654762986136074917644096117 ans≡ 37264668450644375527750811296627e-1 ans 89073290972562790151300874796949• 例： >> [x,y,z]=solve('x+3*y^3+2*z^2=1/2', 'x^2+3*y+z^3 =2 ' ,'x^3+2*z+2*y^2=2/4') ; >> x(22),y(22),z(22) ans = -1.0869654762986136074917644096117 ans = .37264668450644375527750811296627e-1 ans = .89073290972562790151300874796949