How to compute an inner product?

Can someone help me with the code of getting this inner product, thank you very much!

[Brendan Hamm]

You want to calculate the inner product for specific functions f and g? Or are you looking to "Consider the space of bounded functions ....?"

[Yuxing Zhang]

I just want to know how can I show the formula in matlab. Thank you.

[John D'Errico]

You just want to "show" it? Its an integral. WTP? Use any tool for integration. So...

• trapz
• integral
• int