Chris Wensley

reordering parameters in calls of NewMatrix

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This PR addresses issue #4549 : "The two methods in matobj.gi have the following form: NewMatrix( filt, R, ncols, list ) and Matrix( filt, R, list, ncols ). This inconsistency...

NC versions of PreImages, PreImagesSet, PreImagesElm and PreImagesRepresentative

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This aims to start work on the process outlined in issue #4809. The operation PreImagesRepresentative has been renamed PreImagesRepresentativeNC throughout the library, many doc files, and some tests. A new...

Renaming PreImages... functions as PreImages...NC : GAP PR#5073

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PreImagesRepresetnative, PreImages, PreImagesSet and PreImagesElm can all return incorrect results when the element(s) supplied are not in the range of the map. This situation has been discussed in GAP issue...

added a sentence to the ref manual subsection on direct sums of algebras

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This PR just adds the following sentence to section 62.9.14 of the reference manual: "Experimental methods for Embedding and Projection for direct sums of algebras are included in version 1.26...