i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 9.2 5.6 5.2 7.1 6.3 8.8 4.9 3.9 .55 5.1 |
| 5 9.9 8.2 5.5 3.1 2.1 8.6 2 .032 1.4 |
| 9.4 6.5 .66 .57 1.7 7.9 9.4 4.3 7.8 .82 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.87304636205281647543524914412
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.87305
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.