i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 5.6 1.2 4.8 2 6.6 1 .4 3.3 9.2 6.3 |
| 2.6 2.4 7.5 6.4 6.1 7.6 3.1 3.1 2.9 4.2 |
| 6.2 9.3 .064 6.2 3.2 9.2 5.1 5.1 3.6 8.3 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.30213596959007367181025409214
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.30214
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.