i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 9.4 8.5 3.2 2.7 9.9 9 7 5.6 6.6 1.3 |
| 6.6 6.6 9.5 2.3 2.3 6.9 .98 4.6 8 4.6 |
| 5.7 3.6 7.7 9.4 4 9.1 9.5 4.9 8.1 2.3 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.91463968904013992720181916376
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.91464
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.