i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 6.3 6.6 1.1 8.3 1.4 3.9 7.7 8.8 2.4 2.6 |
| 6.5 6.2 3.1 3.4 8.4 4.2 .81 6.6 1.9 3 |
| 7.9 1.2 9 7.8 5.9 4.8 2.6 8.1 2.6 .045 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.03815818511372859381298247993
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.03816
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.