i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2.6 7.3 2.6 8.2 3.6 3.2 1 7 3.2 8 |
| 9.2 6.9 8.7 .34 .17 5.7 8.8 1 2.9 5.3 |
| 7.3 3.3 .43 2.2 .62 6.7 4.9 .89 4.6 1.8 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.16741948796909312173036537843
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.16742
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.