i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 4.8 6.6 7.7 6.2 8.8 8.5 4.6 8.1 8 8.5 |
| 7.7 .065 6.8 4.1 7.5 3.2 6.7 8.5 6.6 4.6 |
| 3.3 8.2 9.4 6.4 6.2 10 3.1 .11 .51 9 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.95345217277715793610756082404
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.95345
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.