i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 7.6 2.8 3.8 1.6 8.3 7.4 .76 7.2 3.1 .76 |
| 1.2 9.3 8 3.3 1.9 7.6 1.2 2.3 .83 3.2 |
| 3.4 .19 .31 .9 5.5 .66 4 .58 8.9 6.7 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.25067047693021094476863423428
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.25067
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.