inverse(Matrix) -- compute the inverse

Code

../../../../../Macaulay2/m2/methods.m2:695:25-695:88: --source code:
cacheValue = key -> f -> x -> ( try x.cache else x.cache = new CacheTable )#key ??= f(x)
| symbol  class            value                                                    location of symbol
| ------  -----            -----                                                    ------------------                                  
| f       FunctionClosure  FunctionClosure[../../../../../Macaulay2/m2/matrix1.m2.  ../../../../../Macaulay2/m2/methods.m2:695:20-695:21
| key     Symbol           inverse                                                  ../../../../../Macaulay2/m2/methods.m2:695:13-695:16
| -- function f:
| ../../../../../Macaulay2/m2/matrix1.m2:625:5-631:19: --source code:
|      m -> (
|       if hasEngineLinearAlgebra ring m and isBasicMatrix m then
|           basicInverse m
|       else (
|               (quo,rem) := quotientRemainder(id_(target m), m);
|               if rem != 0 then error "matrix not invertible";
|               quo))