MATLAB: Alternative to rhs function

rhsunavailable function

Good dusk,
I have a symbolic equation and I want to assign the rhs of it to a variable (this rhs will be a number, but I do not know it a priori), but as I am using matlab R2016b I do not have the rhs function at my disposal.
var = rhs(eqn)
The above line is what I want to do.
What could be a way to do this in my current version?
Best regards.

Best Answer

Well, I found out a solution and it is quite embarassing telling what it is.
I just assigned the rhs of the equation to an auxiliary variable, and then I just did
var = auxiliary_var
It is not an alternative to rhs function, but solved my problem.
Sorry for being stupid.
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