The Kroenecker delta function. Let 5, 1 if i = j 0 if i j (a)...

   

Transcribed Image Text:

The Kroenecker delta function. Let 5₁, 1 if i = j 0 if i j (a) Show that the (i, j)-entry of Inxnis i, for all i, j € (1,..., n). (b) Find a closed formulas for η ΣΣ ; i=1 j=1 and M Σιδη j=1 T The Kroenecker delta function. Let 5₁, 1 if i = j 0 if i j (a) Show that the (i, j)-entry of Inxnis i, for all i, j € (1,..., n). (b) Find a closed formulas for η ΣΣ ; i=1 j=1 and M Σιδη j=1 T