incsearch.m lagrange.m natspline.m linregr.m newtint.m newtmult.m rk4sys.m newtraph.m Romberg.m TableLook.m trap.m trapuneq.m Tridiag.m bisect.m Eulode.m Ex2_optimization.m GaussNaive.m GaussPivot.m goldmin.m GaussSeidel.m