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 2.9 6 5.2 6.8 5.4 2.8 7 3.3 5.6 |
| 9.7 6.6 5.5 3.7 8.9 6.6 6.7 .78 2 6.1 |
| 4.8 9.9 .68 9.9 3 5.5 2.9 4.1 3.5 3.8 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.93219542087815926212308646833
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.93219
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.