"Adding NaN to an SDPVAR makes no sense." That's why?

[Ding YiFan]

   I write the codes as following：

     

IfTransfer=binvar(10,1);              

TimeOfTransfer=intvar(10,1);      

IfShift=binvar(10,1);              

GearOfShift=intvar(10,1);          

IfClip=binvar(10,1);              

GearOfClip=intvar(10,1);          

ResOfTransfer=IfTransfer.*TimeOfTransfer;            

ResOfShift=(IfShift.*GearOfShift)/10;              

ResOfClip=(IfClip.*GearOfClip)/10;                

AmountOfShift=ResOfShift.*AbilityOfShift;              

AmountOfClip=ResOfClip.*AbilityOfClip;                

DataOfShift=zeros(10,24);                            %errors happen here~~~~(>_<)~~~~

DataOfClip=zeros(10,24);

for i=1:10

   DataOfShift(i,:)=AmountOfShift(i)*WillOfShift(i,:);        

    DataOfClip(i,:)=AmountOfClip(i)*WillOfClip(i,:);            

end

SumOfTransfer=sum(abs(ResOfTransfer));

SumOfShift=sum(abs(DataOfShift(:)))/2;

SumOfClip=sum(abs(DataOfClip(:)));

f=400*SumOfTransfer+1*SumOfShift+1.2*SumOfClip;                  

Then some errors happen：

error using +  (line 56)

Adding NaN to an SDPVAR makes no sense.

error DataOfUsers (line 89)

f=400*SumOfTransfer+1*SumOfShift+1.2*SumOfClip;

Then Icheck the workspace and find that the variables  "DataOfShift" and "DataOfClip" are full of NaN.

However, if I change the following codes

DataOfShift=zeros(10,24);

DataOfClip=zeros(10,24);

into these:

DataOfShift=sdpvar(10,24);

DataOfClip=sdpvar(10,24);

Then those errors disappear.

 

But "DataOfShift" and "DataOfClip" are not the decision variables I want to get, they are just intermediate variables.

So what should I do?

Best Wishes.

[Johan Löfberg]

http://users.isy.liu.se/johanl/yalmip/pmwiki.php?n=Extra.NANInModel

[Johan Löfberg]

i.e do

x=[]                   

for i=1:10

   x=[x;sdpvar(1,2)]  ;      

end

[Johan Löfberg]

but you could of course do DataOfShift=sdpvar(10,24);

DataOfClip=sdpvar(10,24); too, as you replace every row anyway. same result

[Ding YiFan]

Thank You！