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Algorithm for Gauss elimination and back-substitution

This screencast is a continuation of the earlier demonstration@ (th-cam.com/video/Lw2qbz1CkTo/w-d-xo.html) , where there was an error.

This screencast demonstrates elementary row operation which is a fundamental operation in Gauss elimination algorithm. There was a bug in this demonstration, which later corrected in the screencast @ th-cam.com/video/YfvDivMMlmc/w-d-xo.html.

Dealing with direct access files in Fortran

Dealing with binary files in Fortran

Dealing with sequential files in Fortran

Creating an identity matrix

Maximum in a matrix-2

Maximum in a matrix

This screencast was developed during a session on writing Fortran subroutine to write a matrix data on a file specified by its unit number.

This screencast was recorded during the classroom session on writing a Fortran subroutine for reading a matrix from an input file. Due to the inadequate data in input file the program generated an error of end-of-file. The demonstration was continued in the next video with correction @th-cam.com/video/pkSozsjteyo/w-d-xo.html.

This screencast is a continuation of earlier session @th-cam.com/video/KACNiseY6EA/w-d-xo.html which encountered an error due to inadequate input data. In this session the error was discovered and corrected.

This screencast shows the development of a Fortran program to calculate sales in a day from the purchases of all customers. The program utilizes an earlier developed program @th-cam.com/video/Gfxu1GJZtJA/w-d-xo.html as a subprogram for the calculation of a customer's bill.

Vector in functions

Big number in vector

Big of two numbers

Vector function GM

Vectors in Fortran

Failure of print statement in Fortran function

Details of exponential Function's algorithm

Fortran program for exponential function

Fortran subprograms- Subroutines

Fortran Subprograms- Functions

Getting out of a loop

Nested Loops

Fortran's Counted Loop-DO loop demo

Fortran formats for printing-1

Fortran formats for printing-2

verify inputs in a Fortran program