[sxjlab]

syms x y;
a=1.5522;
b=2.6908;
c=-0.743;
d=-0.689;
x=input('x=');
n=length(x);
y=a+b/(1+exp(c+d*x));
y=finverse(y,x)
for i=1:n


end
该如何写，我想输入x的数组求值