How can we draw the graph of a function of complex variables involving two variables in Matlab?

Suppose the function is $f(z_1, z_2) = z_1^2+z_2^2$, where $z_1, z_2 \in \mathbb{C}$. How to implement the graph in Matlab in an given interval. Can anyone help?

11 January 2021 1,018 2 View

Physical significance of Gap between optical and acosutic branches in Phonon Dispersion?

Hello Everyone, Recently I am doing some Phonon branchesbased studies. For some materials the gap between the optical and acoustic branch is small, for some it's large and for some there is no...

04 November 2020 3,987 2 View

Can I perform islet isolation after storing the excised mouse pancreas for 3 months and what is the protocol for this process?

I have sacrificed treated BALB/C mice and collected the pancreas and stored in -20 degree centigrade for 3 months. Now I want to isolate the islets to study the release of different cytokines from...

08 October 2020 7,299 6 View

Anyone please suggest reference and scitation tool comaptible with WPS or Libreoffice?

Hello Researchers, I mostly use WPS and Libreoffice but the problem which is face several times is addinf references and citations. Because even when we change one of the reference it doesn't get...

23 April 2020 4,962 8 View

How to rectify negative triplet energy using Gaussian 09, A.02 ?

While doing the vertical excitation energy calculation in gas phase, I got a negative triplet energy. Can anyone suggest on how to rectify this?

14 May 2019 8,731 3 View

A 10:1 mixture of xylene and toluene provides a doublet at m/z 92 (the exact mass of xylene is 92.05813 and toluene is 92.06260). What res is req?

A 10:1 mixture of xylene and toluene provides a doublet at m/z 92 (the exact mass of xylene is 92.05813 and toluene is 92.06260). What resolution is required to separate these two (2) peaks? Which...

01 May 2019 8,900 1 View

Tris-HCl buffer with MgCl2 turns brown?

I am preparing 10mM Tris-HCl buffer for DNA aptamer with 200 mM NaCl, 25mM KCl, 10mM MgCl2 and a pH of 8. Because of the presence of MgCl2, the buffer is turning brown. Is it normal for the color...

30 June 2018 6,533 3 View

How can I calculate molecular weight of the polymer series by calculating intrinsic viscosity?

I have measured specific, relative and inherent viscosity of series of polymers I want to report but I want to know do I need to calculate intrinsic viscosity in each case to follow Mark-Houwink...

07 December 2017 7,023 5 View

I have used BEAM188 element in ANSYS 14.0. Its slenderness ratio is much greater than 1000. Can it be assumed as Euler-Bernoulli beam ?

07 April 2016 6,475 13 View

Why in QUANTUM ESPRESSO output I am getting error as " Unable to allocate memory" using Full Relativistic Pseudopotential for Na3Bi?

29 November 2015 7,217 9 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

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 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

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View