i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 3.7 8.5 4.1 4.1 8.9 4.1 2.9 2.1 4.9 7.8 |
| 8.7 6 3 .3 6.1 1 4.5 2.8 5.1 5.9 |
| 6.4 4.6 5.5 2.7 9.6 5.7 9.7 2.7 6.2 6.5 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.69799572104358613975867761511
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.698
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.