i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2.5 3.1 9.4 5.4 4.8 4.4 8.5 5.1 7.8 1 |
| 4.4 1.1 8.8 5.7 4.6 2.3 3.3 2.2 1 4.8 |
| 2.9 7.9 5.4 8.7 1.8 .72 6.5 5 1.2 4.5 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.35753701288372851444792520652
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.35754
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.