Description: With Newton method, the steepest descent method, BFGS formula to solve the same problem , and can compare the convergence speed
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第三题\bcdu.asv
......\bcdu.m
......\bfgs.asv
......\bfgs.m
......\buchang.m
......\fun.m
......\gfun.m
......\Hess.m
......\newton.asv
......\newton.m
......\zuisu.m
......\结果.txt
第三题