Can anyone here suggest me good book for stratification of PDEs or ODEs? How to stratify the system of ODEs or PDEs?

I need to understand the concept of stratification of ODEs and PDEs. I want to read and understand more on stratification. Please suggest me some books or articles which may help me to...

11 December 2018 5,361 0 View

What is the maxima and minima for the function x/(x+y) ?

09 October 2015 9,826 4 View

Can anyone tell me about online books?

I want to make a digital library. For this library I want to collect pdf books relalted to Mathematics(Any subject in Mathematics or Engineering Mathematics or Applied Mathematics). Can you please...

07 August 2015 6,628 3 View

How to use indexed elements like a (i, j) in MATHEMATICA?

I am working with set of differential equations, where I need repeated iterations. I need to number the steps as double or triple index /suffixes. I would like to know how to do it.

11 December 2013 9,888 4 View

Difference equations

Can any body suggest any good book for Difference equation? I want to study the theory and application of difference equations.

11 December 2012 245 8 View

What is symmetry of odd function?

If f(x) is odd function in (-c, c) then what one can say about symmetry of f(x) ?

11 December 2012 7,809 6 View

What is the order of a permutation?

We consider the order of cycle or transpotion but is there any book that will give idea of order of permutation.

10 November 2012 1,651 3 View

What is integral of (secx)^3 wrt x ?

If limits considered from 0 to (pi/4) and without limits also.

10 November 2012 9,954 9 View

How to use adomian decomposition method for solving odes?

Odes

10 November 2012 7,424 6 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View

Can I ask did any good platform or journals for learning the calcluation on the reference governors and command governor?

Recently I face some problems with the mathematical ( calculation) on the reference governor and command governor, so I need some help from you all to get which platform or journal can let me...

23 February 2021 7,746 2 View

Special issue on PLS-SEM in Mathematics. Are you interested?

21 February 2021 5,601 3 View

What is the better software for approximation of 3D surface with equations?

I have a massive of x, y, z coordinates of 2D surface in 3D space, which builded in Ansys HFSS or AutoCAD. How can I get the analitical aproximation of this surface by formulas?

21 February 2021 3,444 7 View

How can I obtain a sine function along a path with known equation?

I have a symmetric airfoil with known equation. Now a sine function passes along the airfoil equation like following figure. I want to find the sine function in (x,y) coordinate system.

17 February 2021 1,594 12 View