Each method, all the preparation of an m file, packaged in the form of a function.

每一个方法，都编写一个m文件，封装成函数的形式。

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It removes debugging breakpoints in M-files and reinitializes persistent variables, since the breakpoints for a function and persistent variables are cleared whenever the M-file is changed or cleared.

不论m - file是否被改变或删除，如果函数和永恒变量的断点被删除了，那么M - file中调试断点和初始化的断点变量都将被删除。

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It removes debugging breakpoints in M-files and reinitializes persistent variables, since the breakpoints for a function and persistent variables are cleared whenever the M-file is changed or cleared.

不论m - file是否被改变或删除，如果函数和永恒变量的断点被删除了，那么M - file中调试断点和初始化的断点变量都将被删除。

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