i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 8.1 .9 1.5 2.8 7 .38 1.2 5.9 8.5 5.4 |
| 1.7 4.5 4.8 6.7 8.5 9.3 2 1.6 4.5 3.9 |
| 4.8 8.6 3.5 8 9.7 1.4 4.1 7 3.9 4.4 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.74227053716203838507022396447
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.74226
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.