x, y, z = var('x, y, z') 
solve([0*x+6*y+13*z==61, 6*x+0*y-8*z==-38, 13*x-8*y+0*z==79], x, y, z)

SageDays/Kreyszig-18.1-7 (last edited 2010-08-11 13:05:37 by SWATI AHUJA)