i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 3.6 6.1 7.1 7.5 1.7 4.4 4.1 2.7 6.1 3.7 |
| 4.3 .67 9 8.4 3 4.3 2.4 8.1 9.1 8.5 |
| 6.9 6.1 7.5 1.5 6.6 .044 3.6 8.8 9.7 4.5 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.74136797440497804619352927859
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.74136
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.