1102 MrG What is a 3D System

2631 days ago by MATH4R2013

var('y,z') solve([x+y-z==-1,4*x-3*y+2*z==16,2*x-2*y-3*z==5],x,y,z) 
       
show(solve(x+y-z==-1,z)) show(solve(4*x-3*y+2*z==16,z)) show(solve(2*x-2*y-3*z==5,z)) 
       


p1=plot3d(x+y-1,(x,-4,4),(y,-4,4),color='red') p2=plot3d(-2*x+3*y/2+8,(x,-4,4),(y,-4,4),color='green') p3=plot3d(2*x/3-2*y/3-5/3,(x,-4,4),(y,-4,4),color='brown') p1+p2+p3