GurobiError: Unsupported type (<class 'gurobipy.TempConstr'>) for LinExpr addition argument

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Sergio Vanegas

2020年06月20日 06:15

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Hi, I'm trying to add the following constraint but i get this error:

GurobiError: Unsupported type (<class 'gurobipy.TempConstr'>) for LinExpr addition argument

The summarized process is as follows:

from itertools import product

pacientes=info_pacientes_modelo['Paciente'].values.tolist()

id_salas=info_salas['ID sala'].values.tolist()

cirujanos=info_cirujanos['ID cirujano'].values.tolist()

horas=[m for m in range(24)]

num_pacientes=len(pacientes)

num_salas=len(id_salas)

num_cirujanos=len(cirujanos)

num_horas=len(horas)

pacientes_salas_hora=list(product(range(num_pacientes),range(num_salas),range(num_horas)))

m.addConstrs((gp.quicksum(z[i,j,k,l]<=16 for i,j,l in pacientes_salas_hora) for k in cirujanos),name="agotamiento_fisico")

The constraint I model is teh following:

I hope you can help me. Thanks for your time.

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• 正式なコメント

  

  Simranjit Kaur

  • Gurobi Staff

  2025年06月23日 03:11 編集済み

  This post is more than three years old. Some information may not be up to date. For current information, please check the Gurobi Documentation or Knowledge Base. If you need more help, please create a new post in the community forum. Or why not try our AI Gurobot?.
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  Sergio Vanegas

  2020年06月20日 19:05

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  I solved it, thanks :)

  m.addConstrs((gp.quicksum(z[i,j,k,l] for i,j,l in pacientes_salas_hora)<=16 for k in cirujanos),name="fisico_total")

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