i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 1.5 4.5 5.4 7.6 9.3 6.4 .88 5.4 5.2 6.4 |
| 9.6 9.2 3.8 9.6 2.5 9.4 6.1 7 4.6 8.5 |
| 6 6.4 2.5 .66 9.3 9.1 4.4 8.8 6.8 7.7 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.56960601544616335190584763945
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.56961
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.