i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 4.9 3.3 3.5 8.6 1.4 7.7 3.9 .67 .61 4.5 |
| 7.1 7.4 5.2 6 8.3 9.4 1.6 9.8 7 7.6 |
| 6.7 7.7 8 2 2.1 7.4 1.7 9.2 6.5 5.3 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.76291161793294782716149862771
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.76291
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.