i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 4.6 5.8 6.6 7 8.6 2.7 5.1 8.4 9.6 1.9 |
| 6.5 1.7 1.1 7.1 3.2 9.1 5.7 9.8 8.6 2.4 |
| 6.6 3.7 2 4.2 2.2 3.9 6.3 4.4 4.1 1.9 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.79672173698366952878845626151
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.79672
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.