i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2.9 5.2 2.7 8.9 4.9 1.4 6.7 .6 3.5 3.8 |
| 7.5 9.5 2.8 3.5 9.8 5.8 6.2 4.5 8.2 7.7 |
| 1.8 2.5 3.7 3.1 9 1.7 4.5 2.3 3.7 2.8 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.76030992459695734287396044619
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.76031
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.