i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 5.8 9.2 9.2 8 5.6 5 .39 3.5 4.6 2.2 |
| 7.6 .54 7.8 3.7 1.9 1.3 .53 1.3 .13 7.9 |
| 7.6 7.6 3.3 5.6 9.8 2.9 2.5 9.9 3 5.9 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.94665472759388086148985051814
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.94666
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.