i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2.7 5.2 2.7 3.8 3.9 7.8 2 9 .7 3.8 |
| 6 3 8.2 2.6 8.7 4.2 2.3 4.6 9.9 8.3 |
| 2.7 3 6.7 9.2 7.6 9.7 6.7 2.7 7.1 .037 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.87471584618068782176056839621
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.87471
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.