Question

I’m trying to construct a vandermonde matrix using matlab.

My input vector is

t = [ 1 2 3 4 ]'

My output using the vander function is:

ans =

 1     1     1     1
 8     4     2     1
27     9     3     1
64    16     4     1

Now if I’m not mistaken the vandermonde matrix of the vector in question should be:

1 1 1 1
1 2 4 8
1 3 9 27
1 4 16 64

now I just realized that I can achieve my desired result using something like:

>> fliplr(vander(t))

 ans =

 1     1     1     1
 1     2     4     8
 1     3     9    27
 1     4    16    64

Thanks.

Answer 1

Just flip the matrix (left/right) to get the one you want.