Example: stock market
Search results with tag "Matrix expressions"
Matrix expressions - Stata
www.stata.comcarefully, you can derive the rules for yourself. invsym() (inversion) is much like transposition, so row and column names must be swapped. Here, however, the matrix was symmetric, so that amounted to leaving the names as they were. Multiplication amounts to taking the column names of the first matrix and the row names of the second.