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Questions related from Debamalya Dutta
Attaching mathematical expressions here is problematic. I am attaching the link to the question here. link: https://physics.stackexchange.com/q/782250/147579
28 September 2023 6,887 3 View
If someone can help me understand Helicity in the context of the High Harmonic Generation, it will be helpful. Due to mathematical notations, the exact question can be found...
31 August 2023 7,282 1 View
I want to install arpack-ng(https://github.com/opencollab/arpack-ng). I am using open PBS Linux cluster without sudo permission. All of my libraries are installed in non-default directory, like...
31 May 2023 5,991 1 View
I know that δ(f(x))=∑δ(x−xi)/f′(xi). What will be the expression if "f" is a function of two variables, i.e. δ(f(x,y))=?
17 May 2023 6,811 5 View
As it is not possible to show mathematical expressions here I am attaching link to the question. link: https://math.stackexchange.com/q/4700487/1136237 Your expertise in determining and...
16 May 2023 8,885 3 View
I am seeking to solve a first-order complex matrix differential equation of the form dy/dt=c.H.y, where H is a complex matrix with complex elements, and c is a complex number. Python and cpp offer...
14 May 2023 6,650 4 View
Kindly look at my question in the following link. link: https://stackoverflow.com/questions/75804325/why-mpicxx-is-uble-to-compile-cpp-code-includes-boost-library
21 March 2023 710 0 View
As it is impossible to use equations here, I am posting the link to my question here. Link: https://math.stackexchange.com/q/4650679/1136237
02 March 2023 9,540 3 View
I am using Boost ODEINT C++ to solve a simple differential equation with two different steppers: "runge_kutta_cash_karp54" and "runge_kutta_fehlberg78". According to the Boost website,...
02 March 2023 6,166 0 View
Like solve_ivp or odeint in python, which shows warning messages if there arises any discrepancy during runtime, in Boost odint we need to create observer for that. I just want to know is there...
24 February 2023 516 1 View
The answer to the question will not be straightforward as the conventional Hamiltonian in the EM field. As it is difficult to write equations here, I am attaching the link to the...
08 February 2023 7,917 3 View
I am absolutely new in c++ programming and facing many problems converting a simple python code in c++. Mainly I am facing four following problems in writing python code in c++. How to write a...
26 January 2023 5,361 5 View
For example, if I have a matrix differential equation; dy/dt=A(t).y. Here my jacobian is the A(t) matrix. But what is derivative across the column or derivative across the row as it is mentioned...
24 January 2023 8,663 1 View
For example, consider a differential equation as in the image(.jpg file). What are the available functional forms of f(t), for which one could exactly write the analytical form of y(t)?
01 January 2023 598 0 View
In crystals that obey inversion symmetry retain their polarization form in x-->-x, we can prove that even order susceptibilities get canceled. But I want to know if there exists any way that I...
26 July 2022 2,051 4 View
Similarity transformation to make a Hamiltonian diagonal look like U^{\dagger}HU. What about an observable and density matrix? How do they transform? Link:...
01 January 1970 5,345 2 View
