## How to calculate the band gap from SCF calculation? [QUANTUM ESPRESSO]

I’m writing this post because I had a lot of people asking me about this. Calculating the bandstructure is a straight-forward job in…

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# BragitOff.com

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## How to calculate the band gap from SCF calculation? [QUANTUM ESPRESSO]

## Linear Spline – Piecewise Interpolation [C PROGRAM]

## Gauss Elimination – EXERCISES [C Programming]

## Modifying Gauss-Elimination for Tridiagonal Systems – C PROGRAM

## Hilbert Matrix – C PROGRAM

## Transpose of a Matrix – C PROGRAM

## Determining Roots of Legendre Polynomials and their weights for Gaussian Quadrature – C PROGRAM

## Determinant of a Matrix – C PROGRAM

## Gauss Elimination – C PROGRAM

## Lagrange Interpolation Polynomial – C PROGRAM

I’m writing this post because I had a lot of people asking me about this. Calculating the bandstructure is a straight-forward job in…

Read MoreLagrange or Newton polynomial interpolations are useful interpolation techniques to have in your sleeves, but they don’t always give the best or desired…

Read MoreIn this post we will be doing a few problems on Gauss-Elimination. These problems/exercises were given in my Numerical Analysis class. These will…

Read MoreThere are many situations in numerical analysis where we deal with tridiagonal systems instead of a complete set of equations. Therefore, using the…

Read MoreA Hilbert matrix is defined as: where and Example: In this post I have written a code that generates Hilbert matrices using C…

Read MoreThe transpose of a matrix is the matrix obtained by replacing all elements with The following C code let’s the user enter a…

Read MoreGaussian Legendre quadrature/ Gauss-Legendre quadrature is a numerical technique used to calculate the definite integral of a function. This is done by evaluating…

Read MoreRecently, I wrote a blog-post on how to perform Gaussian Elimination to reduce a matrix to the echelon form and solve a system…

Read MoreIn this post I am sharing with you, several versions of codes, which essentially perform Gauss elimination on a given matrix and reduce…

Read MoreGiven a set of data-points , the Lagrange Interpolating Polynomial is a polynomial of degree , such that it passes through all the…

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