Determines which matrices are singular for the only possible partition, dividing them into 2 sets according to their ranks.
Considers the first type of matrices producing a list of the corresponding isotropy weights, checking if they satisfy the polynomial equations in (1.1) of [GS].
Considers the second type of matrices:
a) Selects those whose null spaces contain vectors with positive entries.
b) Produces the list of the corresponding isotropy weights that satisfy the polynomial equations in (1.1) of [GS].
c) Selects those isotropy weights that at a fixed point of index 2i the first i weights are negative and the others are positive.
At each step, the resulting lists of isotropy weights are saved in different files so that it is easy to verify which isotropy weights are discarded with each test performed.
Lists all possible isotropy weights.
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