Which statistical test to use for comparing percentages between multiple groups?

Hello everyone! I am looking for some statistical help! I am working in in vitro micropropagation and one of the aspects that I am studying is the rooting of plants in 10 different growing media....

14 January 2021 7,575 5 View

QUANTUM INFORMATION: Why a Toffoli gate can be used to obtain any permutation gate?

Hi, i am sudying some quantum computer science and I am really struggling to find an explanation to the question done above. Any kind of help would be wonderfull. Greets.

09 November 2020 4,657 3 View

How to obtain Uranium metal from Uranyl Nitrate?

I got some Uranyl Nitrate crystals and want to get Uranium metal, to start, think I can use heating to decompose the nitrate salt in order to get the oxide, and then I should reduce the oxide to...

22 August 2020 525 3 View

How to use Mixed Model ANOVA for non-normal data?

My design is that of repeated measures (within-subject design). That is, the subjects (name) are the same through the groups (group). This implies that there is dependency between the data, which...

18 July 2020 2,731 12 View

Is it possible to obtain a product similar to composting from organic waste in 24 hours?

We are working on the mathematical modeling of the decomposition of organic residues for the realization of a reactor of a product similar to composting in approximately 24 to 48 hours, although...

16 July 2020 2,697 16 View

Is it possible to compost in 24 hours?

We are working on the mathematical modeling of composting for the realization of a composting reactor in approximately 24 to 48 hours, although first I would like to know if it is feasible and if...

14 July 2020 1,838 7 View

Is there a mathematical model that describes the composting process?

These models can be of the different stages of composting, either from the thermophilic or mesophilic stage. Thanks

22 June 2020 3,462 6 View

How do I know if my GLM using selection of models by Akaike Information Criterion is ok?

I'm trying to see the isolated and combined effects of precipitation and three different human disturbances indexes are having an effect on the growth of a cactus. I have a gradient of eight...

16 May 2020 5,868 5 View

How to create a solid with different materials in Abaqus?

Hi I have to create a solid plate in Abaqus but this has to have different materials. How can I do that?. it is like a rectangle, made up of smaller ones, which will be made of two different materials

02 May 2020 2,228 6 View

How to insert a data paired in Metaboanalyst?

How to insert a data paired with 6 groups (1 control + 5 experimental conditions) ? What information should be placed in the Label field? In the tutorials on the site, there is only the example...

18 March 2020 1,541 3 View

How to find the right number of integration points in second order 3d finite elements?

I am familiar with finite element simulations and numerical schemes like the Gauss Legendre quadrature. I also know that the Gauss integration yields exact values for polynomials up to degree 2n-1...

27 February 2021 6,818 3 View

How can we determine the positive definiteness of multivariable polyomial? Is there any MATLAB function available for that?

Can we check the positive definiteness of a multivariable polynomial using MATLAB functions? Of course in literature, there are few complex methods that use tensor algebra. However, before going...

16 February 2021 1,218 3 View

Infinite order of Laguerre?

If Lmn(x) is the Laguerre polynomial of order m and degree n Is there a means of computing Lmn(x) for 1) m goes to infinity 2) n goes to infinity

08 February 2021 6,320 4 View

What are the conditions on projection operators in order to have optimal L^2 numerical estimates?

Mixed finite element methods employ numerical spaces that are, most of the time, something different than the full P^k spaces (polynomials with order up to k). For example, the BDM_k spaces for...

04 January 2021 2,009 2 View

How to apply a transient External wall temperature bounday condition to Fluent, using a single polynomial of five degrees?

I have a 5th order polynomial of transient external wall temperature. I need to apply a transient wall temperature Boundary condition to Fluent. Please help me in applying it to apply it in fluent.

25 December 2020 1,231 10 View

When k[x,y] is flat over a certain subring?

Let k be a field of characteristic zero and let a,b,c,d belong to k[x,y]. Assume that k[x,y] is flat over R_1=k[a+c,b+d] and over R_2=k[a-c,b-d]. Is it true that k[x,y] is flat over R=k[a,b,d,c]?...

20 December 2020 6,233 2 View

I would like to have a person that helps me in the traduction of my articles?

01 October 2020 7,771 5 View

Do the deterministic polynomiality and non-polynomiality characteristics of this method prove efficiency?

Dear Researchers, I proposed a new method, called Optinalysis, for symmetry detection, similarity and identity measure between two automorphic or isomorphic graphs. I tested the method using the...

10 August 2020 5,020 1 View

How to linearize a phase shifter?

Hi, I have a phase shifter design that produces phase shift with applied voltage, which follows a function that could be very closely approximated by a second order polynomial. However, the...

11 July 2020 8,967 2 View

Is it possible to create an analytical expression from the artificial neural network toolbox in MATLAB?

Is it possible to create an analytical expression from an artificial neural network toolbox in MATLAB? If not, then how can these datasets be used as objective function in optimization? In some...

10 June 2020 5,753 8 View