************Taylor's Charts for Underained Slopes************ Open slope_u.m in Matlab Edit lines 13-17 in slope_u.m to solve your particular problem D=1.5; H=10.0; beta=52.1; c=50.0; gamma=20.0; Press Run button at the top of the page Results give the factor of safety (FS) and the (x,y) coordinate of the center of the critical circle (ans). The origin is at the crest of the slope.