JuMP : optimize!(model)

[iAnkiit]

Why do we need solvers , if we can solve model with : optimize!(model_name) ?
How optimize! works?
What solvers actually does ?
What if we don’t define solvers?

[mike_k]

@iAnkiit

Why do we need solvers , if we can solve model with : optimize!(model_name) ?

We cannot. You need to define a solver before.

@iAnkiit

How optimize! works?
What if we don’t define solvers?

See here. An error is thrown

@iAnkiit

What solvers actually does ?

As the name already indicates it solves the problem you send to it. See here.