i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 4.8 7.8 7 5.1 8.9 4.3 5.6 3.5 6.9 3.2 |
| 9.7 2.9 1 5.4 6.9 3.3 8.9 1.7 2.2 5 |
| 9.1 4 .92 7 .071 6.6 5.6 7.8 8.2 1.3 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.72513904174845170283391549305
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.72514
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.