Assignment contents:
Analysis:
The code portion of this assignment is relatively straightforward—it's essentially an implementation of basic matrix calculations. My overall approach and structure are roughly as follows:
Core data structure: The matrix is stored as a 4×4 two-dimensional list in row-major order, which makes row/column access and arithmetic operations straightforward.
Construction & creation: There are two ways to create a matrix: if no data is provided, it defaults to a zero matrix; if a 4×4 set of rows is provided, the input is validated first and then all values are converted to floats to keep computations consistent. The class also provides static helpers like Zero, Identity, and FromRows to quickly generate common matrices.
Input validation: During construction, the code checks that the input is truly 4×4 and that every element is numeric, so errors are caught early and later operations don’t fail in confusing ways.
Display output: A formatted output function prints the matrix with a fixed number of decimal places and aligns columns by computing each column’s width, making the result easier to read.
Math features: The class implements essential matrix operations: addition, subtraction, scalar multiplication, matrix multiplication (using the standard row-by-column dot product rule), and transpose (swapping rows and columns). It supports both explicit method calls and operator-based usage for convenience.
Testing & verification: A simple test routine at the bottom of the file constructs example matrices and runs each feature in sequence to confirm the outputs and results behave as expected.
UI Design:
P4V:
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