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 3 6.3 8.9 2.7 3 4.8 5.8 .38 4 |
| .75 1.5 3 5.2 4.6 7.1 2.3 4.2 4.7 4.1 |
| 6.7 7.7 7.7 9.9 6.7 4.5 3 7.6 10 7 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.97173482535362759741901624887
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.97174
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.