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%% PPLANE file %% H.name = 'triangle'; H.xvar = 'x'; H.yvar = 'y'; H.xder = ' (x + 1)*(x + 2*y)*(1- (x + y -1)/5)'; H.yder = ' -(y + 1)*(2*x + y)'; H.pname = {'','','','','',''}; H.pval = {'','','','','',''}; H.fieldtype = 'nullclines'; H.npts = 20; H.wind = [-1.5 2.5 -1.5 2.5];