i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 9.9 8.5 1.1 5.2 6.2 8.1 1.1 2.8 4 9.3 |
| 9.3 8.9 8.9 1.8 3.6 .28 4.6 3.5 2.4 9.7 |
| 5 2.7 1.4 .56 7.3 5.3 6.9 4.9 5 1.1 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.93017108492939530936027182329
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.93018
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.