matlab function for supremum

Hello, how i can calculate the supremum of singular value of a system by matlab?

i need this to calculate inf norm .

thanks

[Merida]

Take a look at this link below. It should give you an idea of how to go about getting what you want.

https://blogs.mathworks.com/cleve/2012/09/24/supremum/

hope it helps.

[Salma Shahid]

Hey i want to solve this question on matlab Please anyone guide me Question 3: If x=(-3, -5), sup((−s^T) x) s