i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2 5.6 1.9 4.1 3.5 2.6 6.1 5.3 .83 .44 |
| 2 3.7 4.1 6.1 4.7 1.2 9 7.4 .95 1.5 |
| 7.4 1.5 4.3 3.4 6.9 6 9.5 10 4.8 8 |
3 10
o3 : Matrix RR <-- RR
100 100
|
i4 : norm M
o4 = 9.95221975867289428755563283455
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.95222
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.