i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 8.6 4.6 7.7 3.9 7.5 3.4 1.4 6 5.5 6.6 |
| 4.1 3.2 7 5.7 3.1 8.9 7.1 .69 3.1 8.5 |
| 8.3 5.3 3.5 .73 3.6 4.3 5 7.5 6.8 2.8 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 8.87431720326911238707123394817
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 8.87431
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.