Is it truly logical to say that some branches of mathematics are 'pure' and some others are 'applied'?

02 March 2017 9,863 10 View

Why do International Language Proficiency Certificaltes get invalidated after a certain period?

Language Proficiency Certificates awarded after tests, such as IELTS, are valid for a certain number of years. Once the validity period is over, one has to appear in the test once again. Does that...

31 December 2015 2,816 1 View

Can we rank intervals?

In the literature, works on interval ranking are found. Should we really compare intervals? We can rank real numbers. Length, breadth etc can be ranked, in terms of real numbers. Therefore,...

10 November 2015 8,127 0 View

Can we rank intervals?

In the literature, works on interval ranking are found. Should we really compare intervals? We can rank real numbers. Length, breadth etc can be ranked, in terms of real numbers. Therefore,...

10 November 2015 3,243 7 View

Can't there be an axiomatic definition of fuzziness?

08 September 2015 7,909 3 View

Just like partial presence of an element in a set, which is known as fuzziness, can there be a concept of negative presence of an element in a set?

04 May 2015 6,485 0 View

Can we perhaps say that the discovery of zero was the most important one in the history of mathematics?

Without the concept of zero, let alone other things, finding even the product of two numbers would be extremely difficult. Further, without defining zero, theory of groups, spaces etc. would not...

31 December 2014 6,106 5 View

What should be the English word meaning the opposite of superimposition?

On the Web, I could not find an opposite word of superimposition. Could anyone please help me in this regard?

31 December 2014 411 25 View

Is the concept of sample mean statistical only, or is it mathematical?

11 December 2014 9,792 4 View

How do you explain mathematically the physical differences between two mango trees or between any two members of any living beings of the same type?

The physical differences between two mango trees are not random. In what way can we explain such differences mathematically? Please note that this question is not about pattern recognition. It is...

11 December 2014 6,610 75 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

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

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

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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 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