i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 8.6 9.8 5.6 4.4 1.8 3.3 8.5 4.7 1.5 3.6 |
| 3.5 5.6 8.8 9.4 3.1 8.3 5.7 8.1 6.2 6.2 |
| 2.3 9.4 9.1 5.2 9.4 4.2 8.1 2.7 2.8 5.5 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.79012926702931874771172631989
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.79013
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.