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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.

8-Practice problem for reduced echelon form.

January 12, 2026May 19, 2022 by Maged kamel
Post-8-matrix-Practice problems for row reduced echelon form-(RREF).

Practice problem for reduced echelon form. How to determine whether the given matrix is in R echelon form or not?

Categories linear Algebra -Matrices Tags Practice problem for reduced echelon

7b- Practice problems for Gauss Jordan elimination.

January 11, 2026April 22, 2022 by Maged kamel
Post-7b-matrix-Solved problems for gauss elimination or row reduced echelon form-(RREF).

Practice problems for Gauss Jordan elimination are introduced. Step by step guide for solving these problems.

Categories linear Algebra -Matrices Tags Practice problems for Gauss Jordan elimination.

7a- Practice problems for back substitution: Easy approach.

January 12, 2026April 22, 2022 by Maged kamel
post-7a-matrix-Practice problems for back substitution.

Practice problems for back substitution for matrices. Step by step illustration of the process of back substitution.

Categories linear Algebra -Matrices Tags Two practice problems for back substitution

5-How to find the area and Cg for a circular segment?

September 12, 2024April 20, 2022 by Maged kamel
Brief illustration for Post 5-First moment of area for a circular segment.

How do you determine the area and Cg for a circular segment? We will deduct the area of two triangles from the area of the circular sector.

Categories First moment of area-round shapes Tags Area & Cg for circular segment.

4-How to find the area and Cg for a circular sector?

March 8, 2024April 20, 2022 by Maged kamel
What is the first moment of area for a circular sector?

How do you determine the area and Cg for a circular sector? Use the integration of small area dA to get the value of the area and the Cg distance.

Categories First moment of area-round shapes

3-How to find the area and Cg for a semi-circle?

August 13, 2024April 18, 2022 by Maged kamel
What is the first moment of area for a semi-circle?

How do you determine the area and Cg for a semi-circle? Use the integration of small area dA to get the value of the area and the Cg distance.

Categories First moment of area-round shapes Tags Cg for semi-circle

2- How to find the area and Cg for a circular shaft?

May 21, 2023April 14, 2022 by Maged kamel
Brief illustration for Post 2-First moment of area for a circular shaft.

How to determine the area and Cg for a circular shaft? Use the integration of small area dA to get the value of the area and the Cg distance.

Categories First moment of area-round shapes Tags area and Cg for a circular shaft.

22- Easy illustration of Iy for the Trapezium.

January 2, 2026April 13, 2022 by Maged kamel
The moment of inertia Iy for Trapezium and polar moment of inertia.

Moment of inertia Iy for the Trapezium, How to get the Iy value for the trapezium? and how to get the polar of inertia?

Categories Second moment of area for plain shapes Tags Trapezium moment of inertia Iy
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