I want to find the integration under the exported graph whose function is not known. How to do this?

The graph needs to be exported from outside source so that the area under can be calculated . Or I have data points and after plotting the graph i need to find the area under it how do i do that?

Answer 1

[dpb]

" I have data points and after plotting the graph i need to find the area under it how do i do that?"

<See example at> that is exactly the situation you describe...