"cpslopecal_Boss.m" is the code as it appears in the Lab 5 handout.  It generates an error because the function "least_square_cp" is defined within a script.

"cpslopecal_Boss_function.m" is the driver part of the code only, defined as a function.  It calls least_square_cp.m.  Put both files in your Matlab path and run cpslopecal_Boss_function" to calculate the beam-c slope (replace example data with your own!)