i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 7 4.7 4.1 7.2 7.8 3.7 5.7 3.6 2.9 9.9 |
| .22 9.4 3.1 4.7 5.4 6.7 2.8 8 6.8 4 |
| 2.3 1.1 1 4 .84 9.9 7.3 4 3.2 8.8 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.91712759061019843540502735633
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.91713
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.