# How can you create an augmented matrix?

**URL:** <https://discourse.hypatiasys.com/t/how-can-you-create-an-augmented-matrix/294>\
**Category:** How to type...?\
**Created:** [April 25, 2025, 5:20am UTC](https://discourse.hypatiasys.com/t/how-can-you-create-an-augmented-matrix/294 "2025-04-25T05:20:28Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![admin](https://discourse.hypatiasys.com/letter_avatar_proxy/v4/letter/a/3ec8ea/32.png) [@admin](https://discourse.hypatiasys.com/u/admin)\
**Post date:** [April 25, 2025, 5:20am UTC](https://discourse.hypatiasys.com/t/how-can-you-create-an-augmented-matrix/294/1 "2025-04-25T05:20:28Z")

</div>

While matrices support horizontal lines, they do not support vertical lines. Therefore, To achieve the desired layout, you can combine an auto-sizing bracket with an array command.

Steps:

1. Press `(` or `[` to insert a pair of brackets:  
 ![image](https://discourse.hypatiasys.com/uploads/default/original/1X/94320446c25034efb08202334889913027066ff8.png)

2. Select the array option from the toolbar:  

3. Select the desired number of columns and one row (you can add more rows later using the **Enter** key):  
 ![image](https://discourse.hypatiasys.com/uploads/default/original/1X/c48f5a15639df7b79e83d4d4871bb39f0eede8d7.png)

4. Use the matrix menu on the left to remove all vertical and horizontal lines except the second-to-last one:  

5. Press **Enter** to add additional rows:  

Note: You could insert a 3×4 array in step 3 instead, but then you would need to manually remove the additional vertical lines in step 4.