# Nelly V

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## Activity overview

Latest activity by Nelly V
• Nelly V commented,

Alison Cozad, thank you for your response. Yes makes sense. Any suggestion why they are zero? Because they shouldn't be! Thank you very much

• Nelly V created a post,

### Variables return wrong values

I have added my variables as seen below however instead of getting a list for each of the variables, I only get the following results:   Variable x ------------------------- C13...

• Nelly V created a post,

### Customer Demand

Hello all, I am using this example https://colab.research.google.com/github/Gurobi/modeling-examples/blob/master/covid19_facility_location/covid19_facility_location_gcl.ipynb#scrollTo=2Cmb8FzvIxKH ...

• Nelly V commented,

Hi Jaromił Najman,   Thank you for your detailed response. The constraints is so that the allocated doses of vaccines for a clinic needs to be less than the clinic's total storage capacity minus wh...

• Nelly V created a post,

### infeasible results without t0 constraints, errors with using t 0 constraints

Hi, I wonder if someone could guide me on where I am going wrong here. If I remove the constraint for each time period, the problem is solved with infeasible, unbounded. Once I added the time const...

• Nelly V commented,

Here is what I have written so far Jaromił Najman, please do let me know if there is any issues with the formatting of what I am intending to do. Thank you so much! import itertoolsfrom itertools i...

• Nelly V commented,

Hello Jaromił Najman, thank you for your response.    Here is my problem: \begin{align} \ v = rate(in)t - rate(out)t + \textrm{what's generated} \end{align} \[\begin{align} \ V_{excess} = N_{t}...

• Nelly V created a post,