https://cocoa.dima.unige.it/redmine/https://cocoa.dima.unige.it/redmine/redmine/favicon.ico?15088260392015-05-13T07:48:56ZCoCoA ProjectCoCoA-5 - Feature #633: New operations? ScalarProduct(MODULELEM,LIST), MATRIX * MODULELEMhttps://cocoa.dima.unige.it/redmine/issues/633?journal_id=35282015-05-13T07:48:56ZRedmine Admincocoa@dima.unige.it
<ul><li><strong>Target version</strong> set to <i>CoCoA-5.?.?</i></li></ul> CoCoA-5 - Feature #633: New operations? ScalarProduct(MODULELEM,LIST), MATRIX * MODULELEMhttps://cocoa.dima.unige.it/redmine/issues/633?journal_id=56772017-03-17T09:55:40ZJohn Abbott
<ul></ul><p>If we regard <code>ScalarProduct(A,B)</code> as being equivalent to <code>sum([A[i]*B[i] | i in 1..len(A)])</code> then <code>ScalarProduct</code> should accept LIST (of INT/RAT/RINGELEM) and MODULEELEM. For instance:<br /><pre>
F := NewFreeModule(R,3);
G := gens(F);
L := [1,2,3]; // LIST of INT
ScalarProduct(L,G); --> currently gives error
L[1]*G[1] + L[2]*G[2] + L[3]*G[3]; --> gives expected answer
</pre></p> CoCoA-5 - Feature #633: New operations? ScalarProduct(MODULELEM,LIST), MATRIX * MODULELEMhttps://cocoa.dima.unige.it/redmine/issues/633?journal_id=56792017-03-17T10:01:05ZJohn Abbott
<ul><li><strong>Related to</strong> <i><a class="issue tracker-3 status-1 priority-4 priority-default" href="/redmine/issues/1031">Support #1031</a>: ScalarProduct: exact defn and manual page</i> added</li></ul>