i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 1.2 5.1 6.6 5.4 5.3 1.2 4.5 3.9 9.2 2.4 |
| 2.6 5.9 9.2 .43 .84 .83 4.9 9.2 9.5 5 |
| 4.8 9.1 4.3 .51 5.3 6.8 7.2 .8 8.1 2.9 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.52179924069152197173906301784
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.5218
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.