when enter >> A = [0 1;-5 -2]; B = [0;3]; C = [0 1]; D = 0; sys = ss(A,B,C,D,0.25);
has below error(it is in Chinese) 'double' 类型输入参数的函数 'ss' 没有定义。
it means the double type input function 'ss' no defined. my version is 2012b
MATLAB: Error on the function of ss[Creation of State-Space Models]
function of ss-creation of state-space models
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