サイゼリヤ1000円以内でカロリー最大化 MATLABバージョン

saizeriyacp.m

clear

load saizeriyadb.mat

maxtotalprice = 1000;

selection = optimvar('selection', saizeriyadb.name, 'Type', 'integer', 'LowerBound', 0, 'UpperBound', 1);

problem = optimproblem('ObjectiveSense', 'maximize', 'Objective', dot(selection, saizeriyadb.calorie));
problem.Constraints.constr = dot(selection, saizeriyadb.price) / maxtotalprice <= 1;

tic
[soln, fval, exitflag, output] = solve(problem);
toc

selectedmenu = saizeriyadb(logical(soln.selection), :)
totalprice = sum(selectedmenu.price)
totalcalorie = sum(selectedmenu.calorie)

saizeriyadb.mat

参考:
https://www.mathworks.com/help/optim/examples/office-assignments-by-binary-integer-programming.html