outer_product

pyapprox.util.outer_product(input_sets, axis=0)

Construct the outer product of an arbitary number of sets.

Parameters:

input_sets

The sets to be used in the outer product

Returns:

resultnp.ndarray(np.prod(sizes))

The outer product of the sets. result.dtype will be set to the first entry of the first input_set

Examples

$$\{1,2\}\times \{3,4\}=\{1\times 3,2\times 3,1\times 4,2\times 4\}=\{3,6,4,8\}$$