i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | .031 2.1 8.8 .13 5.8 7.1 .91 8.9 5.6 6.3 |
| 8.1 6.8 9.1 10 4.7 3.9 2.7 6.6 1.6 6 |
| 4.5 2.8 8.5 1.3 7.2 1.8 9.1 .77 .79 8.3 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.97682497689365581942113684961
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.97682
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.