i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 4.5 2.8 6.3 9.5 7.2 3.2 7.3 6.2 8.8 4.8 |
| .22 1 2 8.8 6.3 1.2 1.5 8.8 5.5 .8 |
| 7.4 4.5 1 6.5 1.4 2.9 3.5 8.5 3 6.3 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.5310314946220621781486962668
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.53104
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.