i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 3.3 7.7 9 8.6 3.2 7.1 2.4 8 7.9 1 |
| 3.4 .64 6.3 6.7 3.5 5.7 .091 .09 4.5 8.4 |
| 5.5 5.8 4.7 3.3 8.1 3.4 4.4 1.3 6.5 8.2 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 8.97494474265249748669406756125
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 8.97495
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.