Looking for: what is a reliable procedure for calculating the Eigenvectors?

Hi Dears, There are some procedures for calculating the eigenvectors based on the correlation matrix such as using the Matlab software, but the results are not always accurate. Could you suggest...

07 August 2019 5,333 2 View

Could you suggest me a comprehensive reference (book, paper and so on) explaining all steps of the Confirmatory Factor Analysis in the SmartPLS?

Hello Dear Researchers, Actually, I need to find a free and comprehensive reference, in order to learn all steps of the Confirmatory Factor Analysis theoretically, practically and exactly in...

02 March 2019 2,990 5 View

SPSS or SmartPLS?

In your opinion, which statistical tool is more useful for factor analysis, SPSS or SmartPLS? Please answer based on your experiences. Thank you so much.

01 February 2019 1,256 3 View

What are the advantages and disadvantages of the Exploratory Factor Analysis (EFA)?

Hello Dears, There are lots pf reasons for application of the exploratory factor analysis methodology. Could you tell me the advantages and disadvantages of this methodology based on your...

01 February 2019 5,614 6 View

What is the best alternative for ANOVA method?

ANOVA is a useful quantitative method for analyzing the variances when there are lots of groups and variables. But, could you suggest me a novel and better method in this way?

11 December 2018 3,969 8 View

Could you suggest me a novel and reliable structural methodology in order to detect the interrelationships and interactions between the elements?

ISM and DEMATEL are effective methodologies in order to detect the interrelationships and interactions between the elements. But, I'm looking for novel methodology in this way. Thank you for your...

10 November 2018 4,975 0 View

What is the best procedure in order to determine the sample size in PCA or EFA methodology?

In recent years, researchers select small sample size for their research. How can it be justified? How can it be determined? Is there any efficient procedure in this way? Best regards

10 November 2018 3,651 11 View

Is there any framework in order to determine the fixed number of factors in EFA methodology when using the SPSS?

Hello Dears; Most researchers consider eigenvalue>1 as a standard for selecting the number of factors in EFA methodology. In your opinion, how can I determine the number of factors manually...

01 January 1970 3,345 14 View

How is the impact of RG score, h-index or related factors on the scientific future of the researcher (such as applying and employment in university)?

There are lots of factors affecting on the scientific future of the researchers. Which one is the most important? Please tell me about your opinion. Best regards, Mosayeb Dashtpeyma

01 January 1970 3,514 0 View

Are you interested in learning about "Resilient Solar Energy Management Systems"?

If you are interested in learning about our (Co-authored with Mosayeb Dashtpeyma & Professor Reza Ghodsi) new article, entitled "Developing the resilient solar energy management system: a hybrid...

01 January 1970 5,632 10 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

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

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View