i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 9.1 8.6 4.1 6.6 8 5.2 5.5 .69 8.7 5.4 |
| 5.1 8.4 6.4 6.1 4 .46 .096 9.1 5.3 5.5 |
| 1.1 5 9 6.5 9.5 8.9 4.3 7.2 4.8 5.8 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.48758782946271696320273327406
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.48759
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.