>> clear
>> num=[b_m b_m-1 ... b_1 1];
den=[a_n a_n-1 ... a_1 1];
den=[a_n a_n-1 ... a_1 1];
|
Error: The expression to the left of the equals sign is not a valid target for an assignment.
>> den=[a_n a_n-1 ... a_1 1];
sys=tf(num,den);
sys=tf(num,den);
|
Error: The expression to the left of the equals sign is not a valid target for an assignment.
>> sys=tf(num,den)
Undefined function or variable *num*.
错在哪里啊

感觉没有错啊 可是刚编了两行就这样了 连传函都表达不出来 着急啊