i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2.1 8.5 2.4 5.9 8.8 5.9 6.4 6.2 8.9 6.3 |
| 9.8 6.3 1.3 5.2 8.1 3 6.6 3.8 3.7 4.6 |
| 2.6 1.7 5.1 2.1 7.9 1.9 .065 .016 1.1 6.1 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.80994779494492521631362650591
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.80995
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.