matrix|example: making L/U example a little more interesting by using 4x4 input matrix
matrix|example: making L/U example a little more interesting by using 4x4 input matrix

manuts/liquid-dsp,andrepuschmann/liquid-dsp,andrepuschmann/liquid-dsp,JayKickliter/liquid-dsp,andrepuschmann/liquid-dsp,JayKickliter/liquid-dsp,wangning223/liquid-dsp,jgaeddert/liquid-dsp,wangning223/liquid-dsp,wangning223/liquid-dsp,andrepuschmann/liquid-dsp,JayKickliter/liquid-dsp,biotrump/liquid-dsp,andrepuschmann/liquid-dsp,manuts/liquid-dsp,jgaeddert/liquid-dsp,cjcliffe/liquid-dsp,manuts/liquid-dsp,jgaeddert/liquid-dsp,biotrump/liquid-dsp,manuts/liquid-dsp,wangning223/liquid-dsp,jgaeddert/liquid-dsp,cjcliffe/liquid-dsp,jgaeddert/liquid-dsp,cjcliffe/liquid-dsp,biotrump/liquid-dsp,JayKickliter/liquid-dsp,biotrump/liquid-dsp,biotrump/liquid-dsp,wangning223/liquid-dsp,JayKickliter/liquid-dsp,cjcliffe/liquid-dsp,manuts/liquid-dsp,cjcliffe/liquid-dsp