Try constructing & initializing the matrix in one step.
Try constructing & initializing the matrix in one step.

This uses multi_type_matrix's new constructor that allows array data
assignment.

Change-Id: Ief01aefc1cc770aca702de7117c7e72c51fd4c33

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core