I see. the function do have limits and problems. thanks a lot

I see. the function do have limits and problems. thanks a lot

thanks a lot for your help though it is a sad one. In this case, I mignt have gone to a dead end. well, thank you anyway.

thanks a lot for your help though it is a sad one. In this case, I mignt have gone to a dead end. well, thank you anyway.

year, that function  LinearSolve works well. thanks.

year, that function  LinearSolve works well. thanks.

I see the difference. the function LinearSolve works. thanks a lot.

I see the difference. the function LinearSolve works. thanks a lot.