i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2.4 6.8 3.2 8.5 8.5 1.6 5.7 7.7 .95 1.4 |
| 7.4 3.9 7.5 6.4 4.1 .33 7.5 2.3 8.8 2.6 |
| 2.8 6.7 2.7 6 1.1 2.9 .5 2.8 2 9.6 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.61836204402086358861557073755
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.61836
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.