i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 7.8 7.2 2.5 3.9 8.7 6.9 9.8 5.8 4.4 5 |
| 1.6 4.4 9 1.6 7 .68 2 4.8 1.5 2.6 |
| 1.2 7.2 .58 9.1 5.4 7 8.8 4.5 6.2 1.5 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.77102596061287720811168123861
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.77103
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.