Hi Jeff!
It works for me. The output of your code is:
{y: 5, z: 7, u: 5, x: 1}
6/91*z + 6/13*y + x^2 - 409/91*x + 66/91({y: 5, z: 7, u: 5, x: 1}):
0
-6/91*z + y*x - 45/13*y - 410/91*x + 1572/91({y: 5, z: 7, u: 5, x:
1}): 0
66/91*z + y^2 - 129/13*y - 222/91*x + 2000/91({y: 5, z: 7, u: 5, x:
1}): 0
z*x - 277/91*z - 4/13*y - 607/91*x + 2049/91({y: 5, z: 7, u: 5, x:
1}): 0
z*y - 53/7*z - 5*y - 12/7*x + 313/7({y: 5, z: 7, u: 5, x: 1}): 0
z^2 - 849/91*z - 30/13*y - 48/91*x + 2582/91({y: 5, z: 7, u: 5, x:
1}): 0
u - 17/91*z - 4/13*y - 9/91*x - 187/91({y: 5, z: 7, u: 5, x: 1}): 0
{y: 7, z: 8, u: 6, x: 3}
6/91*z + 6/13*y + x^2 - 409/91*x + 66/91({y: 7, z: 8, u: 6, x: 3}):
0
-6/91*z + y*x - 45/13*y - 410/91*x + 1572/91({y: 7, z: 8, u: 6, x:
3}): 0
66/91*z + y^2 - 129/13*y - 222/91*x + 2000/91({y: 7, z: 8, u: 6, x:
3}): 0
z*x - 277/91*z - 4/13*y - 607/91*x + 2049/91({y: 7, z: 8, u: 6, x:
3}): 0
z*y - 53/7*z - 5*y - 12/7*x + 313/7({y: 7, z: 8, u: 6, x: 3}): 0
z^2 - 849/91*z - 30/13*y - 48/91*x + 2582/91({y: 7, z: 8, u: 6, x:
3}): 0
u - 17/91*z - 4/13*y - 9/91*x - 187/91({y: 7, z: 8, u: 6, x: 3}): 0
{y: 8, z: 1, u: 5, x: 3}
6/91*z + 6/13*y + x^2 - 409/91*x + 66/91({y: 8, z: 1, u: 5, x: 3}):
0
-6/91*z + y*x - 45/13*y - 410/91*x + 1572/91({y: 8, z: 1, u: 5, x:
3}): 0
66/91*z + y^2 - 129/13*y - 222/91*x + 2000/91({y: 8, z: 1, u: 5, x:
3}): 0
z*x - 277/91*z - 4/13*y - 607/91*x + 2049/91({y: 8, z: 1, u: 5, x:
3}): 0
z*y - 53/7*z - 5*y - 12/7*x + 313/7({y: 8, z: 1, u: 5, x: 3}): 0
z^2 - 849/91*z - 30/13*y - 48/91*x + 2582/91({y: 8, z: 1, u: 5, x:
3}): 0
u - 17/91*z - 4/13*y - 9/91*x - 187/91({y: 8, z: 1, u: 5, x: 3}): 0
{y: 2, z: 5, u: 4, x: 4}
6/91*z + 6/13*y + x^2 - 409/91*x + 66/91({y: 2, z: 5, u: 4, x: 4}):
0
-6/91*z + y*x - 45/13*y - 410/91*x + 1572/91({y: 2, z: 5, u: 4, x:
4}): 0
66/91*z + y^2 - 129/13*y - 222/91*x + 2000/91({y: 2, z: 5, u: 4, x:
4}): 0
z*x - 277/91*z - 4/13*y - 607/91*x + 2049/91({y: 2, z: 5, u: 4, x:
4}): 0
z*y - 53/7*z - 5*y - 12/7*x + 313/7({y: 2, z: 5, u: 4, x: 4}): 0
z^2 - 849/91*z - 30/13*y - 48/91*x + 2582/91({y: 2, z: 5, u: 4, x:
4}): 0
u - 17/91*z - 4/13*y - 9/91*x - 187/91({y: 2, z: 5, u: 4, x: 4}): 0
So, everything is zero.
What version of Sage are you using, and on what computer?
Best regards,
Simon
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