Are numerical solutions to a PDE with a non-self adjoint operator actually meaningless?

Suppose I have a non-self adjoint operator in a PDE which, being nonself adjoint, has deficiency indices in its spectrum and therefore requires an extension. Say that I solve this PDE numerically...

09 October 2018 6,568 3 View

Are there cheap staining solutions for liver samples to enhance microscopeimaging quality?

Hi, is anyone aware of any low-cost staining solutions for liver cells that can either be made with low cost chemicals, or eventually purchased ? This is for magnification 4000 X.

03 April 2018 7,613 1 View

How to analyze a function in a Hilbert space?

Hi all, I have a function for a particle, given by f(x) = e^ix and I wish to analyze it in a N-representation in a Hilbert space. What are the steps to a representation of f(x) in...

10 November 2017 419 9 View

Can the dipole moment and the k-space vectors be directly related?

Hello, can the dipole moment in a non periodic system be used somehow to derive a notion on the behavior in k-space for the same system? Alternatively, is there an analogue to the k-space...

09 October 2017 5,620 4 View

How to batch mopac jobs in Linux?

09 October 2017 5,702 1 View

Convert PDEs to canonical form with software?

Are there any software-based solutions, for MAPLE, MATLAB, MATHEMATICA or others to convert a PDE to canonical form ?

08 September 2017 7,574 3 View

NASA suggests magnetic North Pole drift is caused by climate change.

Citing Surendra Adhikari at NASA, I would like to ask how it is possible to claim that the North Pole drift is caused by climate change: "Climate change does not only cause the rise of the...

01 January 1970 2,490 4 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 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

Is it possible to have two luminescence bands of the same peak position but with different intensities in single spectrum??

Hi! If it is possible to have two luminescence bands of the same peak position in a spectrum, what is the reason behind formation of two separate bands instead of one? This phenomenon is related...

26 February 2021 4,963 5 View

No title

I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View

How can I find a Raman spectrum wavenumber corresponding to what compound?

I have several Raman spectra with very distinct peaks at certain wavenumbers, such as 277, 359, 466, 583, 623, 686, and 795cm-1. How can I identify them to what compound(s)? The RRUFF and others...

24 February 2021 363 3 View

How Can I clain a removal of a co-author?

I would like to make a correction in a co-author in your paper which is wrong. This name is also in other papers of Kenton Ko. Zey Ko is not a Co-author . The correct name is Zdenka...

24 February 2021 3,476 4 View

How does the injection volume impact LLOQ and ULOQ in regression analysis (LC-MSMS)?

Hello, I have run into an issue that has sparkled a debate at work: is the LLOQ/ULOQ impacted by injection volume under the following circumstances: 1) Same dilution factor of all samples 2)...

23 February 2021 9,159 3 View

Difficulty in debugging code to correct error - TypeError: '<' not supported ?

I am trying with a Unet code ontained from net ...in tensorflow. When trying to predict the segmentation result with the trained and saved model with metric " iou" using "CustomObjectScope"...

22 February 2021 5,254 1 View

What are difference between laser diodes, simple light emitting diodes and power light emitting diodes when operated in the visible spectrum ?

I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...

22 February 2021 4,240 4 View

What low-cut filter (high Pass frequency) to be used for response spectrum (Tripartite plots) ?

What low-cut filter (high Pass frequency) to be used for the response spectrum (Tripartite plots)? I am currently working on differentiating between hard/soft site responses in Indo-Gangetic...

21 February 2021 9,273 2 View