The inv or inverse command finds the inverse of a matrix with elements in ℤ/pℤ. (See also Section 15.1.2.)
inv([[1,2,9]%13,[3,10,0]%13,[3,11,1]%13]) |
or:
inverse([[1,2,9]%13,[3,10,0]%13,[3,11,1]%13]) |
or:
inv([[1,2,9],[3,10,0],[3,11,1]]%13) |
or:
inverse([[1,2,9],[3,10,0],[3,11,1]]%13) |
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