i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2.8 8.1 9.5 4.2 8.5 9.4 5.7 2.6 6.3 .098 |
| 6.2 2 4.9 1.1 7 1.6 3.8 5.9 1.5 1.9 |
| 5.9 9.8 3.4 8.7 .97 .97 .12 6.2 9.4 2.1 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.82672673002302164221151425953
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.82672
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.