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 4.9 .75 3.2 1.9 6 7.9 5 .28 6.7 |
| .073 1.8 5.8 8.5 5.9 3.9 4.1 3.9 6.1 8.5 |
| 1.5 4.2 4.3 7.4 8 1.7 3.9 7.2 9.9 7.1 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.86116311355704045902200573826
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.86116
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.