Any list of ISI open access journal in Operation research,applied mathematic?

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09 October 2017 5,464 3 View

How can I solve scipy installation error?

I try to install scipy via pip but I face this error: [31mException:Traceback (most recent call last): File "", line 2, in File "C:\Users\user...

06 July 2017 2,308 2 View

What does this error means"static function 'void populatebynonzero(IloModel,IloNumVarArray,IloRangeArray)' declared but not defined"?

I am using c++ to solve a simple linear model ,however there is a fatal error when compiling program: /////////////// #include ILOSTLBEGIN static void usage (const char...

05 June 2017 2,019 1 View

What is dereference of regular book and edited book?which one is more popular?

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04 May 2017 8,497 0 View

Does anybody know benders decomposition with GAMS could help me?

Hi,I am using benders decomposition algorithm with GAMS for lot size problem,however there is a problem finding suitable lower bound and upper bound. anybody expert which could help me?

03 April 2017 373 0 View

Is it normal in using the the weighted sum method which some of solution found are not Pareto point??

I have tried to find Pareto point in multi -objective model with the weighted sum method ,however when I change the value of weights I observed some points do not have trade-off. Do you think is...

01 February 2017 7,119 0 View

Can anyone suggest some industrial engineering journals ranked Q4 in JCR,and IF below 1?

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01 February 2017 2,757 0 View

What does this statement means in GAM"solved to optimality(within gap tolerance optca)?

I have a MIP problem,tried to solve it with GAMS (CPLEX solvduring setting different parameter I have found two kind of output in GAMS,(attached figures). one is:solved to optimality another one...

01 February 2017 8,440 0 View

Is it normal in acceleratedbender decomposition algorithm to reach convergence before second iteration?

I am using accelerated bender decomposition algorithm which lower and upper bound reach convergence before second iteration ,is it normal such as case? ,as I have attached file,it is shown after...

31 December 2016 9,020 6 View

Hi,can anybody introduce me any suitable website for creating online registration page?

I want to promote an event that need to register online,anybody knows any online website for creating free ?

11 December 2016 1,943 2 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View