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Maged kamel

Technical Office Manager- B.Sc in Civil Engineering, (Faculty of Engineering, Ain- Shams University) Cairo, Egypt. 1980. I have worked for the following Companies in Egypt: Speco, National Company for Housing, Orascom /CCC joint venture BELFOUR BETTY/ARAB CONTRACTORS. Saudi Arabia: SAUDI LETCO, ALMAJAL Company, Saudi Company for Development and commerce, SAUDI BIN LADEN GROUP.

6a- Easy approach to permutation matrix-Part 2

January 26, 2026February 10, 2024 by Maged kamel
Brief illustration of Post 6a numeric linear

In the Permutation matrix-part 2, we continue the discussion about the various types of Permutation matrices.

Categories Solution of linear systems Tags Permutation matrices for a 3x3 matrix.

6- Easy introduction to permutation matrix

January 25, 2026February 7, 2024 by Maged kamel
An introduction to permutation matrix

The post includes an introduction to the permutation matrix for both 2×2 and 3×3 matrices. How to change the arrangement of rows and columns for matrices?

Categories Solution of linear systems Tags Introduction to Permutation matrix.

5c- Solved problem for x-y-z values by LU decomposition.

December 17, 2025February 3, 2024 by Maged kamel
Solved problem for x-y-z values by LU decomposition.

The solved problem for x-y-z values by using the LU decomposition. for three simultaneous equations. Step by step illustration is explained.

Categories Solution of linear systems Tags Solved problem for x-y-z values by LU decomposition

5b-Find the three unknowns for Second solved problem

January 27, 2026February 2, 2024 by Maged kamel
The content of post 5b-numerical linear.

Find the three unknowns for the Second solved problem. Two method to be used to solve for x1, x2 and x3.

Categories Solution of linear systems Tags Find the three unknowns for the second solved problem

1-Macaulay’s function and singularity functions.

January 27, 2026December 9, 2023 by Maged kamel
The content of post 1- for discontinuity functions

Macaulay’s function and singularity functions are important concepts in mathematical analysis. Macaulay’s function is a mathematical tool used to define a piecewise function.

Categories Discontinuity functions Tags Introduction to Macaulay's function and the singularity function.

6b-Practice problem 5-2-3-verify Zx for W18x50

December 2, 2025November 18, 2023 by Maged kamel
6b-Practice problem 5-2-3-verify Zx for W18x50

Practice problem 5-2-3-verify Zx for W18x50.We convert the W section into two Wt9x25 and get the required Zx value.

Categories Elastic and plastic sections Tags Practice problem 5-2-3 verify Zx for W18x50, Video for practice problem 5-2-3

6A-Practice problem 5-2-2 Find y bar, Zx, and Zy.

April 22, 2025August 22, 2023 by Maged kamel
Practice problem -5-2-2- post 6A-steel beam.

Practice problem 5-2-2. For an un-symmetric section find y bar, plastic moment about P.N.axis, the plastic moment and plastic section modulus about the minor axis.

Categories Elastic and plastic sections Tags Find Zx and Mp for a given I shape., Practice problem 5-2-2 find y bar

8A- Solved problem 5-part 2 for design shear strength.

June 26, 2025August 6, 2023 by Maged kamel
Part 2 of solved problem 5 for design shear strength-Brief illustration-post-8a-bearing.

Solved problem 5-part 2 for design shear strength. It is required to find the design shear strength for A 490-N and A 490-X bolts for different types of bolts.

Categories Bolted Connection Tags Part 2 of solved problem 5 for design shear strength
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