恒润科技 HiRain Technologies HIRAIN TECHNOLOGIES 解答:函数M-文件 function str=mytriangle(sidel, side2, side 3) This is a file that takes three sides and produces g a string that states whether this is a triangle or not all sides= [sidel side2, side 31 vals=sort(all sides) highest val=vals(end)i add smaller sides=vals (1)+vals(2)i if add smaller sides>highest val str=' This forms a valid triangle! t 8S七 art extra credit if (sidel==side)&(side2==side3) str=This is an equilateral triangle!' > str out mytriangle(3, 4, 5) www.hirain.com13 解答：函数M-文件 >> str_out = mytriangle(3,4,5) function str=mytriangle(side1,side2,side3) % This is a file that takes three sides and produces % a string that states whether this is a triangle or not. all_sides=[side1,side2,side3]; vals=sort(all_sides); highest_val=vals(end); add_smaller_sides=vals(1)+vals(2); if add_smaller_sides>highest_val str='This forms a valid triangle!'; % Start extra credit if (side1==side2)&(side2==side3) str='This is an equilateral triangle!';