Matrix

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Questions related to Matrix

Do the recent CNN architectures use Batch Normalization networks ? If not, why not ?

In recent times, is there an importance of Batch Normalization networks ?

12 March 2023 6,976 2 View

Is it possible to input element level varying material properties for analysis using Abaqus?

I want to analyze a random field model output which have a varying material properties from element to element

08 March 2023 1,908 1 View

Identification of systems with unknown input?

Can anyone provide an identification of a linear system with no input signal?. Based only on the output signal?. I'm interested in the code in Matlab or Python presenting the idea of this type of...

07 March 2023 9,936 5 View

What is the best sterilization method of a biodegradable spongy scaffold consisting of a water soluble polymers and polysaccharides?

Since heat-dependent methods are destroying, irradiation may be the alternative. Still, there is disagreement about the type of radiation, the time, the wavelength, and the effect on the polymers....

07 March 2023 1,352 4 View

What is the meaning of this error in COMSOL, "Expression: (comp1.fpt.Ftx-d(comp1.qx,t)*d(comp1.fpt.mp,t))/comp1.fpt.mp"?

I used five physics in COMSOL, including "Solid Mechanics", "Electrostatics", "Pressure Acoustics, Frequency Domain", "Laminar Flow", and "Particle Tracing for Fluid Flow" to simulate the effect...

06 March 2023 8,359 0 View

How can we couple the light beam into fiber cable through achromatic lens?

The NA of lens is 0.33, focal length is 7.5 mm and the NA of fiber core is 0.29. Then if we eject the light from dichroic mirror and then passed through the lens, then what will be the setup?...

01 March 2023 8,227 0 View

How could I assess "Academic performances" in target college students without their examination marks? ?

I need to measure the relationship between mobile phone addiction and academic performance

01 March 2023 1,005 1 View

Ways to make two seperated beam (same source) interfere without loosing power?

Hello everyone, I'm now working on make two beams which are seperated through a splitter to interfere again. I know that a Polarized beam splitter can combine them together, but there will...

27 February 2023 264 3 View

MPC based on MATLAB/Simulink. In operation, 'quadprog' function is not supported by external generated code. How to so solve?

Example of model predictive control based on MATLAB/Simulink. In operation, 'quadprog' function is not supported by external generated code. How to solve this problem? Or how to replace the...

26 February 2023 4,017 3 View

How to deal with Cholesky Decompostion issue and Kalman Gain issue of Unscented Kalman Filter in MATLAB?

Hello who interested with my question, Firstly, I want to thanks you for spending your time to read this topic! So I have 3 questions that need some advice in Unscented Kalman Filter about the 3...

22 February 2023 7,647 3 View

How to Link a debugger with Abaqus?

Hi guys. I'm trying to run my UMAT code using a debugger in Abaqus. I think the best option is using visual studio, but I don't know how to link Abaqus with VS. Is there any documentation to...

21 February 2023 7,612 2 View

How to compare the stress contour obtained from ABAQUS with the stress contours obtained analytically in MATLAB?

I have used MATLAB to generate stress contours analytically, and I have also used ABAQUS to obtain the stress contours of the same problem numerically. Now, I want to compare these two contours....

20 February 2023 8,437 1 View

What is the primary factor that dominates metal phase transformation?

Is there a specific approach that can differentiate between the influence of temperature and mechanical effects on the phase changes occurring in the microstructure of steel during high-speed...

16 February 2023 6,836 9 View

Has anyone faced the leaching of quantum dot from a hydrogel?

I want to prepare quantum dot material and add it to a hydrogel, has anyone faced the leaching problem or studied it?

12 February 2023 3,484 2 View

How to calculate the initial matrix P_0, Q_0, R_0 for an extended Kalman filter?

I use the Kalman filter to estimate the stator and rotor currents for a 2MW doubly fed induction generator, I used the state model in the alpha beta reference, How to calculate the initial matrix...

12 February 2023 928 3 View

Is there a way to search for specific research topic in a target country/affiliation? e.g. Which universities in UK work on vitis vinifera?

Hello, I'm wondering if there is a fast way to look for research topic in a desirable affiliation rather than going through each and every university/manuscript to find for instance faculties and...

10 February 2023 4,982 0 View

ABAQUS meshing problems :The volume of 13124 elements is zero, small, or negative?

Hello everyone, I tried to develop a thermal model by using an orphan mesh part(DC3D8R) but when I run the model, the following error is displayed: 'The volume of 13124 elements is zero, small,...

10 February 2023 8,216 1 View

Why Fe/Ni super alloys show increasing thermal conductivity with temperature (RT to 800 deg C)??

Generally, pure metals are expected to exhibit lower thermal conductivity with increasing temperature (lattice vibration-induced scattering and a decrease in the mean free path). 1. What about...

02 February 2023 4,561 3 View

What is the cause of outliers in LCMS?

I used LCMS to detect metabolites and after a PCA plot was generated, I noticed that there were some sample outliers. What could be the cause of this?

02 February 2023 6,062 3 View

Master thesis topic ideas on GPT-3 on the context of Software Automation?

Master thesis topic ideas on GPT-3 on the context of Software Automation?

01 February 2023 7,068 4 View

Why we require measure theory and what is the actual meaning and significance of measure?

As a researcher, often, it comes to my mind why do we require measure theory and what is the significance and applications of measure theory, measurable set, space and function in real life. Can...

01 February 2023 9,040 7 View

Is there any research into neurodivergent performers and their approach to text and movment?

Hello, I’m looking at applying for a PhD and being neurodivergent (ADHD) I’m interested in looking at neurodivergent performers and their professional practice, and how this links to current...

31 January 2023 5,832 2 View

Sister chromatid exchange assay and chromosomal aberration assay question?

I work on chromosomal aberration assay and sister chromatid exchange assay, some times I have after harvesting and staining, slides without metaphases or the nucleus isn't disrupted, or the...

30 January 2023 3,404 2 View

Can you evaluate fracture toughness of concrete without COD measuring device?

Hello, I think that the question is pretty straightforward. Are you able to evaluate fracture toughness of concrete without COD measuring device? I've already red that it should be possible, but...

29 January 2023 9,507 5 View

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