Use of Sine voltage source in Electrical circuit with frequency domain study in COMSOL?

Dear Sir/Madam I want to use Sine voltage as a source in an RLC circuit. I want to study the driving point impedance with frequency sweep. But when I use sine voltage, I get an error like The DAE...

13 January 2021 9,826 5 View

How to find Inverse Laplace of a large matrix in MATLAB?

I am trying to find out the inverse Laplace transform of the state transition matrix obtained using inv(S*I-A). Where I is the identity matrix, and A is a state-space matrix(24x24 matrix). I have...

21 December 2020 7,041 3 View

Calculation of heat flow of the area?

Can anyone help me to understand/provide some reference regarding how to calculate heat flow of the area from the radioactive heat production values.

05 November 2020 1,717 1 View

Which purple wheat varieties are suitable for North East India ?

Like purple rice, Purple wheat is known to be very rich in vitamins and minerals. Is there any suitable variety which can be gown in north east India.? Do you think purple wheat is really...

01 August 2020 9,731 1 View

Do you think that PETase can make the world safe from plastic Waste ?

PETase can become a way to make our environment plastic waste free. With increase in production and use of plastic the waste created daily is a big problem. Adverse effect of plastic waste is...

25 July 2020 983 1 View

How to increase the number of suckers and fibre yield in banana particularly in tall species ?

Bhimkal or Athiyakol is the common name (Assamese) of a banana species in Assam , India. This is Musa Balbisinana Colla is a robust plant under the family Musaceae. Like other banana species it is...

19 July 2020 2,220 2 View

Why does not graphene exist as a proper 2D sheet?

We know that graphene is the strongest material as it has high tensile strength. Then why does it exist as flakes? Why we cannot make a complete sheet out of graphene?

18 May 2020 8,820 4 View

Can anybody hlp me to identify the attached image ???

This is collected from a fresh water habitat.

17 March 2020 1,742 5 View

What are the initial values of different ion concentrations?

What are the initial values of different ion concentrations(Electron,+ve and -ve) should be taken while simulating the partial discharges between different electrodes(point-plane, point-...

11 March 2020 6,325 4 View

How to separate r and s isomers of tetrahydrofuroic acid by normal phase chromatography?

I want to separate the r and s isomers of the tetrahydrofuroic acid by normal phase chromatography.i have taken many trials on many columns such as chiralpakADH CHIRALCEL OJ-H many chiralpak...

20 December 2019 2,093 1 View

Why should we choose deep learning to machine learning? Why is CNN better for image classification? Can I get Typical Answer?

What Characteristics makes CNN work better?

03 March 2021 1,458 4 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View

APA 7th In-Text citations with two references with three authors with the same surname, but four different author?

I have an issue with APA 7th in-text citation. II have two papers where the first three authors are the same, and the fourth is different. I am using the Mendeley desktop app, and automatically it...

02 March 2021 790 3 View