x, y, z = var('x,y,z')
eq1 = 2*x - 13*y +3*z == 4
eq2 = -6*x + 39*y - 9*z ==  -12
eq3 = 0

solve([eq1, eq2, eq3], x,y,z)

SageDays/Kreyszig-6.review-34 (last edited 2010-08-11 21:43:30 by bhanukiran)