i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 3 1.1 2.3 1.8 3.1 7.7 5.4 7.7 1.7 1.9 |
| 3.2 2.3 10 2.2 9.1 9 9.7 5.6 6.9 1.9 |
| 9 1.6 5.9 8.2 1.3 3.3 4.1 9 .5 2.9 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.97913597382783201438153992349
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.97914
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.