i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2.3 4.2 .36 3.8 2.4 8.6 1.3 7.1 5.3 8 |
| 5.9 9.9 2.7 3.5 .63 4.7 3.1 6.9 6.8 .52 |
| 6.4 6.8 6.2 5.3 4.1 5.5 3.5 9.4 6.1 4.9 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.93336131747762727167028710742
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.93336
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.