[Numpy-discussion] How do I make a diagonal matrix? (original) (raw)

Joris De Ridder joris at ster.kuleuven.be
Fri Jun 23 10:40:33 EDT 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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