MATLB - how to show REAL numbers only

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I'm trying to use the MATLAB symbolic toolkit, but the "conj" term keeps annoying me. Here's an example:

>>syms l d
>>A=[l d ; d*l -l*l*d]
>>A'
ans =

[ conj(l), conj(d)*conj(l)]
[ conj(d), -conj(d)*conj(l)^2]

How do I tell MATLAB I'm only interested in real numbers, and get rid of the conj terms? My applications do not involve any imaginary numbers at all.

Thanks

 

[jhae2.718]

syms l d real;

 

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I appreciate it.