title: Multiply Two Matrices in R
body: <pre><code>structure(c(-13.2728762809309, 1.4589335335744, 0.484047921906014, 
  0.961191008159664, 9.8283305061549, 0.719751064235688, -12.9935586779498, 
  1.54850677442014, -13.1416306849761, 1.45529160258359), .Dim = c(2L, 
  5L), .Dimnames = list(c("(Intercept)", "PJMPWr[, x]"), NULL))
  </code></pre>
  
  <p>Need to forecast using these coefficients and create a new matrix using, e.g. c(20,30,40) such that it equals to -13.2728*20 +1.4589,-13.2728*30 +1.4589,-13.2728*40 +1.4589..</p>