![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
For adding matrices, their dimension should be equal.
\ \First write the dimension of the matrix.
\The first matrix is,![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a223572426ebdc508759d09250c8263a.png\")
The matrix has 1 row and 3 columns, so dimensions of matrix are![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=da0e7b778f89e18cbeda1e0ed2c1d3e0.png\")
.
The second matrix is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=20a5a50b1b04fa934ebe6f7fbaab8cd4.png\")
The matrix has 3 rows and 1 column, so dimensions of matrix are ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=02cc88497928e9926ce789d08234a685.png\")
.
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
The dimensions of matrix are not equal.
\The operation of addition is impossible.
\![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The operation of addition is impossible.
\