i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2.2 8 5.7 5.8 2.6 9.9 7.1 6.9 2.1 5.6 |
| 9.5 2.8 8.2 4.5 9 6.7 8.9 8.9 9.8 2.1 |
| 9.4 3.3 6.8 4 6.1 9 .17 .049 8.9 7.7 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.89520905929641062258500332474
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.8952
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.