"remember" .... heuhhh ... :-) Thanks Stephane
----- Mail original ----- De: "Stéphane Mottelet" <stephane.motte...@utc.fr> À: "Users mailing list for Scilab" <users@lists.scilab.org> Envoyé: Mardi 27 Septembre 2016 15:09:36 Objet: Re: [Scilab-users] issue with "sum" paul, remember the transpose is *conjugate transpose*, use .' instead. S. Le 27/09/2016 à 15:04, paul.carr...@free.fr a écrit : > Hi again > > In the following example, the sum lead to an opposite sign for the complex > part … Am I doing something wrong ? > > thanks for any highlight > > Paul > > ################################################ > mode(0) > > A = [ > - 3. > 6.123D-17 > 3. > - 3. > - 3.062D-17 - 5.303D-17*%i > - 1.5 + 2.5980762*%i > - 3. > - 3.062D-17 + 5.303D-17*%i > - 1.5 - 2.5980762*%i] > > mat = matrix(A,3,3) > > sum1 = sum(mat,'r')' // reference matrix > > sum_c1 = sum(mat(:,1)) // sum of the 1rst column of sum1 matrix > sum_c2 = sum(mat(:,2)) // 2nd column of sum1 matrix > sum_c3 = sum(mat(:,3)) // 3rd column of sum1 matrix > > _______________________________________________ > users mailing list > users@lists.scilab.org > http://lists.scilab.org/mailman/listinfo/users _______________________________________________ users mailing list users@lists.scilab.org http://lists.scilab.org/mailman/listinfo/users _______________________________________________ users mailing list users@lists.scilab.org http://lists.scilab.org/mailman/listinfo/users