i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 8.9 2.6 8.7 2.2 6.3 2.8 1.7 5.9 9.1 6.9 |
| 9.4 7.5 5.9 7.4 9.5 7.9 7.7 3.6 6.8 4.6 |
| 7.3 .33 4.7 7.9 6.1 2 8.3 6.6 8.8 6.1 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.50061446253162644237393296057
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.50061
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.