4.12怎么写啊
你好同学,考察的是循环画图,代码供参考呢:
clc;clear
% (a)小问
figure(1);clf
t = 0:0.1:10;
alpha = 1;
for N = 1:4
x = sin(t);
y = sin(N*t+alpha);
subplot(2,2,N)
plot(x,y)
title(['N=',num2str(N)])
end
% (b)小问
figure(2);clf
t = 0:0.1:10;
p = [0,1/3,1/2,1];
N = 1;
for i = 1:numel(p)
alpha = p(i)*pi;
x = sin(t);
y = sin(N*t+alpha);
subplot(2,2,i)
plot(x,y)
title(['\alpha=',replace(rats(p(i)),' ',''),'\pi'])
end
如有帮助,还望题主给个采纳支持一下呢,谢谢啦
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