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List of Questions in DFT and answers (for some Qs)

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The questions span a wide topics in Physics or sometimes other subjects also. Whenever possible, I try to answer in a separate post and g...

Peer-review: What it is like?

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How is peer-review like? Most of the time peer-review improves the manuscript. Here is an illustration (credit:redpenblackpen.jasonya.com...

Challenge and Fun: Free your mind!

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Have fun and challenge your mind from these links. Take a stress test  Scott's amazing card trick Optical Illusions Jokes Illusio...

Fortran Workflow

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Fortran Specification Statements by Michael Metcalf / CERN CN-AS (taken from  https://w3.pppl.gov/~hammett/comp/f90tut/f90.tut7.html Fo...

Compiling C, C++ and Fortran code using gnu/intel compilers

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In general, compiling is done in three steps. ./configure --prefix=/home/userName/DirName make or make all Sometimes, the compili...

Notes on Linear Algebra

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I have been taking Linear Algebra LAFF course from edX and Applications of Linear Algebra (Part 1) also from edX. This page is for discus...

How to understand an existing complete (open source) code

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Here are some of the good discussions on this topic. See at the end of the tips for more links. If the code is written in a language you ...

Working with BLAS library

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To install the BLAS and LAPACK library, you can try: sudo apt-get install libblas-dev liblapack-dev This will install both BLAS and LA...

List of Scripts (HPC and Research)

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To get the output geometry of a *.out file (Q-Chem) Using rev, column commands grep "  B  " lda_bnr_2_n_ring_03_geo_restrict...

GMail tips and tricks

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To list unread messages in the mai is: category:primary is:unread To list all the unread messages is: unread Activate Undo Send o...