====== MXI Command ======
MXI,
,,,,…
sets the terms belonging the imaginary part of the stiffness matrix of matrix property , row to - . If the matrix property does not exist, it will be created by this command. Since the matrix is upper-diagonal, enter only the required number of terms from the diagonal to the right, i.e., for the first row use - , for the second row - , and for the last row ( = 12), only .
{{mxi_fig.png}}
Figure .1 GENERAL element and corresponding matrix property