i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 5.8 8.6 2.2 6.2 5.7 5.8 9 7.5 6 9.6 |
| 7.7 8.3 8.7 5.8 8.9 2.9 2.7 9.5 1 9 |
| 5.9 9 3.4 4.8 6.8 .29 2.7 .89 2.9 9.2 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.55302764529570462755395527375
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.55302
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.