Questions about the C API

[Naoya Kumagai]

Hi, I have some questions:

1. When writing linear constraints (Ax+b = 0, or <=0, or >=0), is it better to specify them as affine constraints or as conic constraints with for example positive orthonant as the domain?

2. There is a function MSK_putnumcon does the 'number of constraints' here refer to all (linear and conic) constraints, or just linear constraints?

Thank you in advance.

[Michal Adamaszek]

Hi,

1. It doesn't matter, unless you plan to use simplex, in which case they have to be ordinary linear constraints (in the A matrix)

2. MSK_putmaxnumcon refers to the number of rows in the A matrix, ie. the number of ordinary linear constraints. Functions referring to affine conic constraints are named with "acc" or "afe". The MSK_putmax*... functions are only optional to call.

Michal

[Naoya Kumagai]

Thank you for a very quick response, Michal! 

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