i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 7.4 6.7 5.5 9.8 6.2 5 1.4 1.8 4.9 7.3 |
| 8.2 8.7 5 9.6 9.7 2.6 6.1 9.5 4.4 9.7 |
| 4.8 .4 2.6 6.6 3 5.1 .56 9.9 1.9 8.7 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.90700274463132256438586530613
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.907
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.