Why the solution of a system of linear equations on MATLAB differs from Excel ?

Hello I have a system of linear equations composed of 11 equations and 11 variables, I solved it through Excel and MATLAB in the form of AX=B. While the matrix A , matrix B and the inverse of...

02 October 2020 9,856 7 View

What is the relative standard curve method?

The relative standard curve method in qPCR is a standard curve-based method for relative real time PCR data processing. Can anyone explain the calculations of this method to me? I read something...

20 July 2019 5,799 3 View

In the X-ray diffraction, which peaks belong to the Ni4Ti3 precipitate and which ones belong to the Ni3Ti precipitate ?

I can not separate the XRD peaks of Ni4Ti3 and Ni3Ti precipitates, because their main peaks are not clear and they're very close to each other. I want to know that in the X-ray diffraction...

22 June 2019 1,496 3 View

Trsnsy Issue : the error of '' External File'' ?

I want to simulate the heat pump (air source) with unite storage thermal Tank but I get the following msg: ''350 : Unable to open the file associated with an ASSIGNED logical unit number....

23 January 2019 146 1 View

What's the methods that used to drive normal cancer cells to become resistance by using certain drug?

I'm working in subject related to undestand the mechanisms resistance of cancer cell to drug. For example: Melanoma to Vemurafenib

25 October 2017 8,069 2 View

How can I catch true spiders from date palm?

Can I used another way neither ground traps?

03 November 2016 8,036 6 View

What is the best way to achieve a relatively metal (specifically Zinc) free E. coli culture?

13 May 2016 7,511 3 View

How can I avoid negative values in the output of a feedforward net?

How can I avoid negative values in the output of a feedforward net? Note that I do not have negative values in the inputs.

13 December 2015 7,118 5 View

What are the effective measurements for the inorganic complexes?

Can you give me simple methods for preparing transition metal complexes in Nano scales?

15 January 2013 7,075 1 View

What is the best molecular orbital calculation method for the ground and excited states for ligands and their transition metal complexes?

Calculations of Static and Dynamic Parameters including Bond order, Bond length, Bond angle, Total charge, Charge density.

29 February 2012 5,230 8 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View