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Matrix note-taking is a way of organizing previously taken linear notes. For example, if you took notes in class using the Outline Method, you might then make more concise notes from these in a matrix format.
How it works:
As you read through your notes, pull out the major topics and categories, which become the headings at the top of your chart. Fill the chart in with common aspects or important pieces of each topic or category. You might also find it helpful to write down questions you have in the left hand column to help better organize and compare each category.