i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2.9 3.2 3.8 3.4 5 2.4 7.9 5 3.5 4.2 |
| .77 8 9.9 6.3 4.4 4.4 6.7 9.6 7 2.6 |
| 3.3 5.2 5.6 1.5 9.9 7.4 1.2 5.7 2.6 9.3 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.93969526810272331546124470928
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.9397
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.