plt.rcParams['axes.unicode_minus'] = False

This line of code sets the `unicode_minus` parameter of the `axes` object in Matplotlib's default settings to `False`. This parameter controls whether the minus sign (`-`) in labels and tick marks is rendered using a Unicode character or a regular ASCII hyphen. By default, Matplotlib uses a Unicode character for the minus sign, which can cause issues with some fonts and operating systems. Setting `unicode_minus` to `False` forces Matplotlib to use a regular ASCII hyphen instead.

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plt.rcParams['axes.unicode_minus']=False

This line of code is used in Python to remove the negative sign (unicode character) from the axes of a matplotlib plot. By default, matplotlib includes the negative sign, which can be confusing or misleading in some cases. By setting `plt.rcParams['axes.unicode_minus']` to `False`, the negative sign will be replaced with a hyphen, making the plot easier to read and understand.

plt.rcParams['axes.unicode_minus']= False

This line of code is used to remove the minus sign from the axis labels and tick marks in a matplotlib plot. By default, matplotlib uses a Unicode minus sign (U+2212) instead of a regular minus sign (-) for negative numbers on the axis. The above code changes this behavior and uses a regular minus sign instead. This can make the plots easier to read and understand for some viewers.