MATLAB中提示出现??? Error using ==> vertcat是为什么

A=[126.68,125.32,123.4,116.47,117.18,114.47,111.8,106.27,112.57,117,108.9,101.75,113.7,103.82,104.08,106.53,114.35,117.3,118.83,121.48,120.15,115.87,113,106.7,113.25,119.3,121.5,102.68,108.33,113.5,114.17,110.33,87.6,91.17]; B=[45.75,43.87,39.9,39.15,38.