i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 6.8 5.7 5.9 9.9 7.5 3.6 9.8 2.1 1.2 8.1 |
| 2.6 6.6 7.9 5.9 4 7.1 .37 3.7 5.2 8.3 |
| 1.1 8.4 3.2 1.8 6.6 7 9.4 6.5 2 6 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.90866786633469689382739338885
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.90866
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.