sorting

Here are vector/matrix built in sorting functions:

'''sort'''('vector') - Returns a 'vector' with the values sorted in ascending order.

'''rsort'''('matrix/vector','number') - Returns a 'matrix/vector' formed by rearranging columns until specified row,'number', is in ascending order.

'''csort'''('matrix/vector','number') - Returns a 'matrix/vector' formed by rearranging rows until specified column,'number', is in ascending order.

'''reverse'''('matrix/vector') - Reverses the order of rows in a matrix, or of elements in a vector.

A simple example of using these functions is presented:

[image|sorting|{UP}sorting/sorting.png]

HINT: 2D plot can be represented as two-column matrix.
The first column is x-vector and the second is y-vector. 
If we want to sort this matrix first and then plotting, we need to use [[eval]].

[image|sortplotting|{UP}sorting/sortingplot.png]