Using brentq with two lists of data

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I am trying to find the root(s) of a line which is defined by data like:

x = [1,2,3,4,5]
y = [-2,4,6,8,4]

I have started by using interpolation but I have been told I can then use the brentq function. How can I use brentq from two lists? I thought continuous functions are needed for it.

asked 28 secs ago

GBA13

35

Using brentq with two lists of data