i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 1.6 .51 9.3 1.2 7.9 4.6 .25 7.5 2.2 6.6 |
| .52 .65 7.3 6.7 8.1 7.3 8.9 7.6 8.6 7 |
| 8.7 3.4 6.1 3.3 7.9 3.5 2.5 8.1 8.6 3.3 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.31869343535044827626035636403
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.3187
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.