i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 6.1 7.4 4.7 4.5 7.5 3.6 4.1 1.3 .71 7.4 |
| 3.7 6.3 7.9 2.7 2.3 8.3 4.4 9.9 9.2 8.8 |
| 5.3 5.3 5.9 .79 5.1 8.2 .91 5 9.5 .13 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.85251358554534836392425032831
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.85251
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.