在matlab中我画了散点图,但还需要把散点连接起来,请问用啥子程序能...答:clear all;N=5;x=20*rand([N,1]);y=20*rand([N,1]);max_text=num2cell(1:N);figure;grid on;hold on;plot(x,y,'r.','MarkerSize',20)text(x+0.5,y+0.5,max_text)for index=1:N temp_x=x(index);temp_y=y(index);for index2=1:N line([temp_x,x(index2)],[...
Matlab中struct结构的赋值问题答:stockName = {'股票1','股票2','股票3','股票4','股票5','股票6','股票7','股票8','股票9','股票10'};stockPrice = [1,2,3,4,5,6,7,8,9,10];stocks = struct('Name', stockName, 'Price', num2cell(stockPrice));sum(extractfield(stocks , 'Price'))