## Matrix Diagonal Sum

**1. Introduction:**

Welcome to the Find Matrix Diagonal Sum tool! This tool calculates the sum of the elements along the main diagonal of a square matrix entered by the user. The main diagonal of a matrix consists of elements where the row index equals the column index.

**2. Steps to Use the Tool:**

- Enter the matrix elements in the textarea provided.
- Separate each row by a semicolon (;) and elements within each row by a comma (,).
- Click on the "Find Diagonal Sum" button.
- The tool will compute and display the sum of the main diagonal elements of the matrix.

**3. Functionality of the Tool:** This tool parses the input matrix, calculates the sum of the main diagonal elements, and then displays the result. The sum of the main diagonal is a fundamental quantity in linear algebra and can provide insights into the properties of the matrix.

**4. Benefits of Using This Tool:**

**Ease of Use:**Quickly find the diagonal sum without manual calculation.**Accuracy:**Utilizes a straightforward method to compute the sum.**Convenience:**Accessible anytime, anywhere with an internet connection.**Versatility:**Works with matrices of any size and complexity.

**5. FAQ:**

**Q:**What is the main diagonal of a matrix?**A:**The main diagonal of a square matrix consists of elements where the row index equals the column index.

**Q:**Can this tool handle non-square matrices?**A:**No, this tool is designed to calculate the diagonal sum only for square matrices. Non-square matrices will result in an error.

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