i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 1.5 4.4 4.3 6.3 6 4.1 9.8 5.1 8 9.7 |
| 7.9 .82 8.3 3.2 4.9 2.1 6.5 2.9 8.3 .95 |
| 8.3 4.7 5.8 4.1 5.3 2.1 5.6 .79 7.3 2.5 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.7989327281786930533689375841
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.79893
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.