Bar Coordinate Transformation by Matrices

① This example demonstrates how matrix operations can be used to transform coordinates of points in the plane, producing a bar-coordinate visualization. ② Core mathematical concepts include matrix multiplication, coordinate transformation, rational numbers, and geometric shapes such as rhombi, along with curve sketching and integral calculus as contextual applications. ③ Construction highlights: based on the summary, multiple text objects (tekst1 to tekst10) are used to label or display matrix and coordinate information, likely employing GeoGebra's matrix commands and transformation tools to map points, with rhombus elements to illustrate pre- and post-transformation relationships. ④ Suitable for high school or early college students to grasp the intuitive role of matrices in geometric transformations, and useful for math lab activities or computer-assisted geometry instruction.