Which numerical technique is more effective for moddeling fractional difference equations?

More Abdullahi Yusuf's questions See All

No module named 'tensorflow.keras.backend.tensorflow_backend' ?

System Description Cuda 11.2 GeForce GTX 1080ti tensorflow version 2.4.1 keras version 2.2.0 python version 3.8 I was getting the below error when I try to run my code on the...

25 February 2021 6,673 2 View

With or without a Control Group?

Hello, I will do a research with K-12 students (my own students), and it includes a treatment which will last around 3 months. We will see how and whether it will affect their motivation. That's...

08 February 2021 632 4 View

Can I add a neutral option in a 4-point Likert scale?

Hello, I want to use a motivation scale with my students (secondary school) for my research, but the scale is in a 4-point Likert style with no neutral option (Certainly true - True - Not True -...

04 February 2021 4,757 13 View

What is the best way to improve the working potential window of a solid electrolyte?

My solid polymer electrolyte shows low bulk resistance show quite a low bulk resistance. However, the potential window (obtained from LVS) is very small. Please how can I improve the operating...

31 January 2021 3,340 9 View

Is carboxymethyl cellulose a better electrolyte host polymer than methyl cellulose and cellulose acetate?

I want to prepare a cellulose-based biopolymer solid electrolyte by solution casting technique. However, choosing the right cellulose derivative has been my major challenge. Among the many factors...

30 January 2021 5,355 3 View

What if there is no population to pilot an adapted questionnaire? What about its reliability and validity?

Hello, I'm new to this platform, and this is my first ever post in here. So, please excuse me in advance if I happen to cause any inconvenience. Coming back the question; I have just adapted a...

26 January 2021 9,030 4 View

What is a variabel to analyze empirically or attest a theory of Malthus (Economic Major)?

I have a project to evidence Thomas Robert Malthus theory about a principal of population (Malthusian Spectre/Malthusian Trap). I want to attest, his theory about a relationship of population and...

02 January 2021 8,146 3 View

Is there some literature on Multi Objective Optimization formulation of water distributions problems ?

Good evening all; We are looking for literature on the mixed integer formulation of water distribution problems using Multi objective optimization methods. Thanks Nasiru Abdullahi Mathematics...

04 September 2020 8,886 4 View

Do the deterministic polynomiality and non-polynomiality characteristics of this method prove efficiency?

Dear Researchers, I proposed a new method, called Optinalysis, for symmetry detection, similarity and identity measure between two automorphic or isomorphic graphs. I tested the method using the...

10 August 2020 5,020 1 View

How can i conduct Multivariate Regression Analysis in Eviews?

I'm interested in estimating the impact of business risk on capital structure (CS) and dividend policy (DP). My study focused on three hypotheses. The first and second hypotheses focused on...

01 August 2020 3,253 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View