In> M:={{1,2},{2,1}} Out> {{1,2},{2,1}}; In> EigenValues(M) Out> {3,-1}; |
In> M:={{1,2},{2,1}} Out> {{1,2},{2,1}}; In> e:=EigenValues(M) Out> {3,-1}; In> EigenVectors(M,e) Out> {{-ki2/ -1,ki2},{-ki2,ki2}}; |
In> IsHermitean({{0,I},{-I,0}}) Out> True; In> IsHermitean({{0,I},{2,0}}) Out> False; |
In> IsUnitary({{0,I},{-I,0}}) Out> True; In> IsUnitary({{0,I},{2,0}}) Out> False; |