xsh一枝红杏沾春雨

xsh一枝红杏沾春雨 恭贺新春 xsh xsh春自寒梅唤起 bhu一枝红杏沾春雨 jgu一枝红杏沾春雨 eji一枝红杏沾春雨 tyu一枝红杏沾春雨 azh一枝红杏沾春雨 azh一枝红杏沾春雨 春雨 春雨 ()()春雨 matlab 中fprintfclear all; syms xy = (1500-x)*(1+0.0015*x);ezplot(y,[1000,2000]);dydx = diff(y,x);xsh= solve(dydx);ymax=subs(y,x,xsh);ezplot(y,[0 1500]) ;hold on;plot(xsh,ymax,'-ro'); grid on;hold off;fprintf('the best count is %d dollars/n',xsh)运 春雨 作文 春雨梨花 形容春雨 作文 春雨 现代诗 春雨