i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 8.4 9.5 7.6 4.7 4.6 .17 8.2 1.4 6.4 .34 |
| 7.1 6.5 5.6 3.1 5.5 4.7 5.4 5.6 8.1 .082 |
| 6.3 9.5 5.3 8.7 3 3.5 3.2 2 2.3 6.4 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.50202367939741644650656795894
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.50203
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.