i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 6.5 3.8 9.5 4.9 3.3 .55 6.2 4 5.5 3.9 |
| 1.6 8.3 8.2 6.3 7.3 7 9.4 4.3 7.3 3.1 |
| 1.4 .5 8.1 6.2 5.1 5.5 5.4 5.2 6.9 1.5 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.52430913122983702696847713337
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.52431
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.