What is your methodology on evaluation of the Gradient of a function?

It is related to nonlinear programming problem with unconstrained optimization techniques

31 December 2015 4,471 4 View

Why Steepest ascent and descent methods are important to solve nonlinear programming problems and system of nonlinear equations?

Let me know the basic approach and good book for this concept. Suggest the book which consists only good number of solved problems.

11 December 2015 1,541 20 View

How do you measure the student's attainment in a classroom?

I hope you can describe briefly how to evaluate educational outcomes in the classroom .

01 January 1970 2,213 5 View

How to distinguish between Delay differential equation and Stochastic differential equation?

In Mathematics, delay differential equation is one type of differential equation in which the derivative of the unknown function at a certain time and stochastic differential equation is a...

01 January 1970 812 5 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 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

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Do you consider undergoing a structure literature review / Meta analysis and getting numerical findings sort of quantitative method?

I am looking for a classification of the research methods included in literature review papers or Meta analysis ones .

22 February 2021 1,131 4 View

How to calculate the fraction metabolized of a drug by an enzyme using clearance(ml/min) values of the metabolite formed?

I am trying to find the fraction metabolized of a drug by CYP and UGT enzymes. I am unable to get the values of fraction metabolized (Fm) directly from the literature. Can we calculate the Fm of a...

21 February 2021 5,379 2 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View

How to visualize stress in a coating defined by "Skin" in Abaqus?

Hello All! I'm trying to model a contact between a coated substrate and a tip in Abaqus. The coating is ultra-thin compared to the geometry of the substrate. So I defined the coating using the...

16 February 2021 1,594 3 View