creating a custom mesh

Hi, i have a matrix containing the nodes of my domain. i also created a matrix containing the boundry elements, each row of this matrix has [first node, second node, left side domain (usually 1), right side domain (usually 0)]. what is my next step in order to creat the mesh? thank you for your help.

[Walter Roberson]

duplicates http://www.mathworks.co.uk/matlabcentral/answers/87252-how-to-create-a-custom-mesh