Plot specified column from matrix on HP50G

[Dave Britten]

This is taken from my 48SX manuals, but it should still apply to the 50.

Your X values will need to be a column in your matrix, i.e. they can't be an implied sequence starting at 1. Then you can use the XCOL and YCOL commands to specify which column numbers contain the x data and y data respectively. These commands simply update ΣPAR with the column numbers. On the 48SX, ΣPAR is a list with five elements: x column number, y column number, l.r. intercept, l.r. slope, regression model. The default x column is 1, and the default y column is 2.

The data needs to be in ΣDAT - this variable can either contain a matrix with the data itself, or it can contain the name of a matrix variable where the data is stored.

Once all of that is set up, use the standard statistics and plotting commands like normal.