Write a script to round a large number to the nearest 10,000
e.g. x = 12,358,466,243 --> y = 12,358,470,000
You can write as many zeros as you want after 12358470000.0, it's still the same number as 12358470000
Swap the first and last columns
Extract leading non-zero digit
05 - Vector Equations 2
Matlab Basics - Pick out parts of a vector
Matlab Basics II - Create a vector with a repeated entry
Matlab Basics - Switching Assignments
Matlab Basics II - Determine if an array has a 3rd dimension
Matlab Basics II - Max & Index of Max
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