i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 4.3 2.1 3.2 4.2 9.2 5.1 3.2 1.5 2.5 1.9 |
| .52 6.8 3.6 3.4 .94 .029 .31 8.7 5.1 6.2 |
| 1 5.9 .68 7.8 .35 8.7 6.4 6.2 5.5 4.2 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.2364204025767536601610713991
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.23642
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.