Adisorn O.
How to Create Matrix and Vector in modern Fortran (from 2003)
The way modern Fortran provides to create matrix and vector is more convenient, let's check the example below. OUTPUT: A = 1.00000000 ...
top of page
Search
Adisorn O.
Jul 92 min read
LAPACK Package Testing for LU Solver Ax = b
To solve the linear system Ax = b, LAPACK provide a function dgesv() see more detail https://netlib.org/lapack/explore-html-3.6.1/d7/d3b/...
3 views
Adisorn O.
Jul 81 min read
How to pass array variables to F90 subroutine?
Consider this example of fix-sized and allocatable array case I: Fix-sized array Case II: Allocatable array One important thing to remark...
6 views
Adisorn O.
Feb 241 min read
Compute the Minimum Distance between 2 sets of coordinates
The code will compute and get the minimum distance between 2 sets of arbitrary numbers of points in 2D space. It also draws the lines...
6 views
Adisorn O.
Feb 233 min read
Introduction to Julia and comparison with MATLAB syntax
OpenAI. (2024). ChatGPT (4) [Large language model]. https://chat.openai.com Jeff Bezanson, Stefan Karpinski, Viral B. Shah, and Alan...
11 views
Adisorn O.
Feb 170 min read
14 views
Adisorn O.
Dec 27, 20231 min read
A Unified Method for Numerical Integration
Trapezoidal rule Simpson's 1/3 rule
10 views
Adisorn O.
Dec 6, 20232 min read
F90 subroutine for Gauss Elimination with partial pivoting
! Main Program PROGRAM SolveLinearSystem IMPLICIT NONE REAL, DIMENSION(3, 3) :: A REAL, DIMENSION(3) :: b INTEGER :: n ! Define the...
9 views
Adisorn O.
May 10, 20231 min read
Passing functions as arguments in MATLAB
MATLAB allows us to pass functions as arguments of another function. This is very useful when we call other functions (for example,...
21 views
Adisorn O.
May 2, 20231 min read
Matrix Representation of a Linear System for Multiple Load Cases Analysis
In many engineering design problems, we often have to solve the same linear system for variable load cases. As shown in the figure below,...
18 views
Adisorn O.
May 1, 20230 min read
7 views
Adisorn O.
May 1, 20230 min read
16 views
Adisorn O.
Apr 30, 20230 min read
13 views
Adisorn O.
Apr 29, 20231 min read
Newton-Raphson Method for solving nonlinear equation system and unconstrainted optimization problem
[updated 6.12.2023] For optimization problem, the optimum solution of (x1,x2) is found by setting the derivative of objectives of...
16 views
Adisorn O.
Apr 17, 20231 min read
Getting to know MATLAB's Cell
Sometimes we want to store various data types into a single array. Thinking of a container that can store various things in separate...
12 views
Adisorn O.
Mar 17, 20231 min read
MATLAB's sum() function
MATLAB provides a simple but efficient sum( ) function to sum column or row vector, as well as all elements in arrays. Syntax:...
14 views
bottom of page