How to Create Matrix and Vector in modern Fortran (from 2003)
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The way modern Fortran provides to create matrix and vector is more convenient, let's check the example below. OUTPUT: A = 1.00000000 ...
Adisorn O.
- Jul 9
- 2 min
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/...
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Adisorn O.
- Jul 8
- 1 min
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...
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Adisorn O.
- Feb 24
- 1 min
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...
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Adisorn O.
- Feb 23
- 3 min
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...
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Adisorn O.
- Feb 17
- 0 min
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Adisorn O.
- Dec 27, 2023
- 1 min
A Unified Method for Numerical Integration
Trapezoidal rule Simpson's 1/3 rule
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Adisorn O.
- Dec 6, 2023
- 2 min
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...
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Adisorn O.
- May 10, 2023
- 1 min
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,...
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Adisorn O.
- May 2, 2023
- 1 min
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,...
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Adisorn O.
- May 1, 2023
- 0 min
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Adisorn O.
- May 1, 2023
- 0 min
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Adisorn O.
- Apr 29, 2023
- 1 min
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...
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Adisorn O.
- Apr 17, 2023
- 1 min
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...
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Adisorn O.
- Mar 17, 2023
- 1 min
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:...
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