i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 1.9 8.1 2.8 5.5 .029 7.6 6.8 6.1 7.6 9.7 |
| .73 .24 4.8 6.5 4.4 7.2 9.6 9.2 6.1 7.8 |
| 2.9 4.9 2.3 9.7 4.1 6.5 1.6 2.9 8.4 7.9 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.69555325078975982818739995277
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.69556
o5 : RR (of precision 20)
|
i6 : norm {3/2,4,-5}
o6 = 5
|
The norm of a polynomial is the norm of the vector of its coefficients.