i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 1.9 .97 7.3 4.5 1.2 8.8 9 3.5 2.1 4.5 |
| 4.2 7.9 6.7 .11 6.5 7.9 1.5 6.7 .7 5 |
| 5.3 1.4 8.9 9.8 8.8 3.9 2.7 9.2 9.9 .71 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.89130769003851136830924324581
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.89131
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.