# How to extend a curve until x-axis and y-axis

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Hi guys! I've plotted the red curve through a set of data (.txt file of points):

How can I extend the red curve untile axes of cartesian plane ?

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### Accepted Answer

WalterWhite
on 15 Jan 2020

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WalterWhite
on 15 Jan 2020

### More Answers (1)

Navya Seelam
on 15 Jan 2020

Hi,

You can use interp1 function to interpolate your plot till x=0. There are different methods the function adopts for interpolation. You can choose from these methods to achieve appropriate interpolation. For more details on interp1 go through the link below.

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