matlab中想求出y=dsolve('D2y+y=sin(t) * cos(30)','t'),再画图,该怎么办?会出
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matlab中想求出y=dsolve('D2y+y=sin(t) * cos(30)','t'),再画图,该怎么办?会出现Conversion to double from sym is not possible.
![matlab中想求出y=dsolve('D2y+y=sin(t) * cos(30)','t'),再画图,该怎么办?会出](/uploads/image/z/8738235-27-5.jpg?t=matlab%E4%B8%AD%E6%83%B3%E6%B1%82%E5%87%BAy%3Ddsolve%28%27D2y%2By%3Dsin%28t%29+%2A+cos%2830%29%27%2C%27t%27%29%2C%E5%86%8D%E7%94%BB%E5%9B%BE%2C%E8%AF%A5%E6%80%8E%E4%B9%88%E5%8A%9E%3F%E4%BC%9A%E5%87%BA)
y=dsolve('D2y+y=sin(t) * cos(30)','t');
C2=0;C3=0; %这是两个任意常数的取值
t=-10:.1:10; %自变量取值范围
x=eval(y);
plot(t,x);
C2=0;C3=0; %这是两个任意常数的取值
t=-10:.1:10; %自变量取值范围
x=eval(y);
plot(t,x);
matlab中想求出y=dsolve('D2y+y=sin(t) * cos(30)','t'),再画图,该怎么办?会出
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