menhya sth

Hello all, I want to give non-linear hinge for masonry frame element model in Sap2000.Is it compulsary ,i need to input the data as PM interaction ?because just assigning shear,axial or M3 hinges alone would display me an error of not being able to assign hinges because of the masonry material property given by me..please help

Hello all,I do need to know about this to solve this another equation. .(SAP2000 Manual).Please kindly refer me to some complex non homogeneous equation book.because when i use the function as complementary function,it is giving me z=square value of function and the result is some infinite number..Please help