How to find numerical solution of coupled odes?

I have two coupled odes

How should I find out their numerical solution and plot them.

I want to plot their phase portrait and time series solution.

[darova]

Use ode45

[priya anjali]

I know that but it's showing error.

[Ameer Hamza]

Can you show your code?

[priya anjali]

here it is one where function is defined and second for its integration

[darova]

bs_f function has no your equations, they something different. Can you write your equations in the following form?

help ode45

[priya anjali]

Sorry, by mistake.