Example

> BigMatrix = rand(200,300);
> d = "a rather small string";
> whos();
        Name            Class   Type    Size            NBytes
        BigMatrix       num     real    200     300     480000
        d               string  string  1       1       21
        eps             num     real    1       1       16
        pi              num     real    1       1       16
Total MBytes = 0.566157
> L.a = "string for testing";
> L.B = "another string";
> L.c = rand(7,254);
> L.d = 3+4j;
> whos(L);
        Name            Class   Type    Size            NBytes
        B               string  string  1       1       14
        a               string  string  1       1       18
        c               num     real    7       254     14224
        d               num     complex 1       1       16
Total MBytes = 0.014272