i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 4 4.3 2.8 1.4 2.3 .17 9.6 7.3 2.8 8.6 |
| 5.7 6.9 3.7 8.1 2.9 2.7 7.7 .63 1.7 .45 |
| 3.6 5.3 4.9 2.4 6.7 6.8 2.3 5.2 .03 9.7 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.6538887894870720563308536629
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.65388
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.