i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2.2 7.2 9.6 .33 4.8 8.5 4 5 .89 .12 |
| 7.9 3.7 .31 2.5 8.6 6.2 4.8 1.2 8.5 6.1 |
| 4.8 3.4 8.3 6.4 3.7 .86 3.1 1.9 2.3 4.3 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.61996281615009165321650340052
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.61996
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.