[Numpy-discussion] How do I make a diagonal matrix?
Joris De Ridder
joris at ster.kuleuven.be
Fri Jun 23 09:40:33 CDT 2006
On Friday 23 June 2006 16:34, Sven Schreiber wrote:
[SS]: Keith Goodman schrieb:
[SS]: > How do I make a NxN diagonal matrix with a Nx1 column vector x along
[SS]: > the diagonal?
[SS]: >
[SS]:
[SS]: >>> help(n.diag)
[SS]: Help on function diag in module numpy.lib.twodim_base:
[SS]:
[SS]: diag(v, k=0)
[SS]: returns the k-th diagonal if v is a array or returns a array
[SS]: with v as the k-th diagonal if v is a vector.
See also the Numpy Example List for a few examples:
http://www.scipy.org/Numpy_Example_List
J.
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