Calculation with R Matrices [closed]

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What functions should I use to do the following calculations with arrays in R:
- Find the transposed matrix;
- Find the reverse matrix;
- Find the identity matrix;
- Find the determinant of an array.

    
asked by anonymous 13.07.2017 / 15:43

1 answer

3

Since your matrix is M,

  • Transposed% with%
  • Reverse t(M)
  • Identity solve(M)
  • Determinant diag(x = 1, nrow, ncol)
13.07.2017 / 17:18
how to specify values to sort sql server ___ ___ erkimt Query SQL unifies three tables ______ qstntxt ___

I have 4 tables that I need to join in a single query where the result is:

%pre%

The tables look like this:

%pre%

I tried to do with INNER JOIN, but I'm still a beginner, and I could not, when I added the conversations went wrong, below what I tried:

%pre%     
______ azszpr313556 ___

You can reach these values as follows:

%pre%

I was giving error because the %code% field was not in %code% . The query would never give the result it expected because it had two %code% to two tables with associations other than the %code% table, and even correcting %code% would not be able to correctly count the occurrences in each of the tables. p>     

______ azszpr313560 ___

If you are using %code% you can do this:

%pre%

Test: link

    
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