bvp4c not enought input error PLEASE HELP

I got this error and I don't even know how to solve it. I have 4 equations and 5 boundary values. Please help this is a project that I need to give for tomorrow.

Answer 1

[Walter Roberson]

You show dfds as being defined with three input variables. However, bvp4c is only going to pass it two inputs, time and boundary conditions.

It looks to me as if your Q is a constant, so dfds should probably be defined as @(s,f) instead of @(s,f,Q) . Probably the same sort of problem for bc