https://www.mathworks.com/help/risk/expectedclaims.ultimateclaims.html
ultimateClaims - Compute projected ultimate claims for expectedClaims object - MATLAB
This MATLAB function computes the projected ultimate claims for each origin period, based on the earned premium and the selected claims ratios for an...
computeprojectedultimateclaimsobject
https://www.mathworks.com/help/risk/developmenttriangle.ultimateclaims.html
ultimateClaims - Compute ultimate claims for developmentTriangle object - MATLAB
This MATLAB function calculates the projected ultimate claims for each origin period, based on the observed claims and the cumulative development factors.
computeultimateclaimsobjectmatlab