i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2.7 5.7 .89 8.7 8 5.8 7.5 2.9 4.9 9.1 |
| 3.3 8.2 3 5.1 2.9 7.8 5.9 7.2 1.5 8.9 |
| 5.1 3.9 8.3 2.6 6.2 5.2 2.2 5.6 9.8 9.6 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.84240890633501387573749165327
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.84241
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.