-- -*- M2-comint -*- hash: 14970722170429219772

i1 : d = 2;

i2 : k = 3;

i3 : R = wordAlgebra(d);

i4 : Cd = CAxisTensor(k, R); Cd // wordFormat -- k-th level signature of the canonical axis path in R^d

     1             1             1             1
o5 = - [2, 2, 2] + - [1, 2, 2] + - [1, 1, 2] + - [1, 1, 1]
     6             2             2             6

i6 : M = id_(QQ^d); -- identity matrix

              2       2
o6 : Matrix QQ  <-- QQ

i7 : CAxisPath = pwLinPath(M) -- the canonical axis path in dimension d

o7 = Path in 2-dimensional space with 2 polynomial segments:

     {{t, 0}, {0, t}}

o7 : Path

i8 : Cd2 = sig(CAxisPath, k); Cd2 // wordFormat -- the k-th level signature

     1             1             1             1
o9 = - [2, 2, 2] + - [1, 2, 2] + - [1, 1, 2] + - [1, 1, 1]
     6             2             2             6

i10 : 
