8-Practice problem for reduced echelon form. January 12, 2026May 19, 2022 by Maged kamel Practice problem for reduced echelon form. How to determine whether the given matrix is in R echelon form or not?
7b- Practice problems for Gauss Jordan elimination. January 11, 2026April 22, 2022 by Maged kamel Practice problems for Gauss Jordan elimination are introduced. Step by step guide for solving these problems.
7a- Practice problems for back substitution: Easy approach. January 12, 2026April 22, 2022 by Maged kamel Practice problems for back substitution for matrices. Step by step illustration of the process of back substitution.
5-How to find the area and Cg for a circular segment? September 12, 2024April 20, 2022 by Maged kamel 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.
4-How to find the area and Cg for a circular sector? March 8, 2024April 20, 2022 by Maged kamel 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.
3-How to find the area and Cg for a semi-circle? August 13, 2024April 18, 2022 by Maged kamel 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.
2- How to find the area and Cg for a circular shaft? May 21, 2023April 14, 2022 by Maged kamel 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.
22- Easy illustration of Iy for the Trapezium. January 2, 2026April 13, 2022 by Maged kamel Moment of inertia Iy for the Trapezium, How to get the Iy value for the trapezium? and how to get the polar of inertia?
