Hi, the error is exactly what the traceback says. You need to add spaces.
Old code:
for b in range(1,3):
#create constraints
m.addConstr(quicksum(x[b,j,t] <=1 for j in J for t in range(r[b],(d[b]-p[b]+
1))),name="block_allocation") #eqution 2
Possible new code:
for b in range(1,3):
#create constraints
m.addConstr(quicksum(x[b,j,t] <=1 for j in J for t in range(r[b],(d[b]-p
[b]+1))),name="block_allocation") #eqution 2
That is if you was the m.addConstr line to run three times.
On Monday, May 1, 2017 at 7:09:14 PM UTC+1, Dina sheweita wrote:
>
> Dears,
>
> I am a postgraduate student and a new user to spyder software too.
>
> I am using this program by python language programming and i pass a long
> way to learn python and spyder to able to insert my code.
>
> But I faced some errors and I tried to solve it and i succeed but some of
> them I tried but I don't know what's the problem.
>
> So, I am glad to have this huge community to ask respected experts like
> you and I wish to support me to solve this issue since I don't have any
> guide know this software in my college
>
> the error in the equation #2
>
> *for b in range(1,3):*
> * #create constraints*
> *m.addConstr(quicksum(x[b,j,t] <=1 for j in J for t in
> range(r[b],(d[b]-p[b]+1))),name="block_allocation") #eqution 2 *
>
> *the error that showed me up is *
>
> *>>> runfile('C:/Users/Ahmed/AppData/Roaming/Microsoft/Windows/Network
> Shortcuts/operating_roomintegrated.py',
> wdir='C:/Users/Ahmed/AppData/Roaming/Microsoft/Windows/Network Shortcuts')*
>
> *Traceback (most recent call last):*
> * File "<stdin>", line 1, in <module>*
> * File
> "C:\ProgramData\Anaconda2\lib\site-packages\spyder\utils\site\sitecustomize.py",
>
> line 866, in runfile*
> * execfile(filename, namespace)*
> * File
> "C:\ProgramData\Anaconda2\lib\site-packages\spyder\utils\site\sitecustomize.py",
>
> line 87, in execfile*
> * exec(compile(scripttext, filename, 'exec'), glob, loc)*
> * File "C:/Users/Ahmed/AppData/Roaming/Microsoft/Windows/Network
> Shortcuts/operating_roomintegrated.py", line 31*
> * m.addConstr(quicksum(x[b,j,t] <=1 for j in J for t in
> range(r[b],(d[b]-p[b]+1))),name="block_allocation") #eqution 2 *
> * ^*
> *IndentationError: expected an indented block*
> *>>> *
>
> this my code:
>
> # -*- coding: utf-8 -*-
> """
> Created on Sun Apr 02 19:36:07 2017
>
> @author: Ahmed
> """
>
> from gurobipy import*
> try:
> m = Model('operating_room')
> #Data
> b= [1,2,3]
> n= [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25]
> j= [1,2,3,4,5,6,7,8,9,10,11,12,13]
>
> t=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32]
> W=0.5
> p[b]= 15
> h[b]= [1,2,3]
> m.update()
> #create variables
> X[j] =m.addVar(vtype=GRB.BINARY, name="X[j]")
> Y[n] =m.addVar(vtype=GRB.BINARY, name="Y[n]")
> x[b,j,t] = m.addVar(vtype=GRB.BINARY,name="x[b,j,t]")
> y[n,b] = m.addVar(vtype=GRB.BINARY,name="y[n,b]")
> m.update()
> #set objective
> m.setObjective(quicksum(X[j] for j in J )+ W*(quicksum(Y[n] for n in
> N)),GRB.MINIMIZE) #eqution 1
>
> * for b in range(1,3):*
> * #create constraints*
> * m.addConstr(quicksum(x[b,j,t] <=1 for j in J for t in
> range(r[b],(d[b]-p[b]+1))),name="block_allocation") #eqution 2 *
> #equation 3
> for b in range(1,b):
> for j in J:
> for t in T:
> m.addConstr(x[b,j,t] <= X[j] ,name="allocation_to_open_OR")
> #equation 4
> for j in J:
> for t in T:
> m.addConstr(quicksum(x[b,j,l]<=1 for b in range(1:B) for l in
> range(t-p[b]+1:t)),name="overlaping_blocks")
> #equation 5
> for b in range(1:B):
> m.addConstr(quicksum(y[n,b]=h[b],for n in
> N),name="surgical_nurse_demand")
> #equation 6
> for n in N:
> for b in range(1:B):
> m.addConstr(y[n,b]<=Y[n],name="used_surgical_nurses")
> #equation 7
> for b,b1 in range(1:B):
> for n in N:
> for t in T:
> m.addConstr(quicksum(x[b,j,l],for j in J for l in range(t-p[b]+1:t)) +
> quicksum(x[b1,j,l] <= (3-y[n,b]-y[n,b1]),for j in J
> for l in range(t-p[b1]+1:t)),name="link to scheduling")
> #equation 8
> for b in range(1:B):
> for j in J:
> for t in T:
> m.addConstr(x[b,j,t] in {0,1},name="integerity_1")
> #equation 9
> for j in J:
> m.addConstr(X[j] in {0,1},name="integerity_2")
> #equation 10
> for b in range(1:B):
> for n in N:
> m.addConstr(y[n,b] in {0,1},name="integerity_3")
> #equation 11
> for n in N:
> m.addConstr(Y[n] in {0,1},name="integerity_4")
> #equation 12
> for n in N:
> for b,b1 in range(1:B):
> for o[b]!= o[b1]:
>
> m.addConstr(y[n,b]+y[n,b1]<=1,name="assignment_of_nurses_in_different_OR")
> #equation 13
>
> m.addConstr(max(s[b],s[b1])<min(s[b]+p[b],s[b1]+p[b1]),name="prevent_overlapping_in_diff_OR")
> m.optimize()
>
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