i simulate ofdm code on matlab but there's error ?

i simulate this code on matlab but there's error, please what is the wrong ? what is the correct code ?? this is message show

" Undefined function or method 'ofdm_QR_closeform' for input arguments of type 'double'.

Error in ==> ofdm at 18 [MSE_QR(i)]=ofdm_QR_closeform(N,P, Ng, M, k, w, phi, snrdb, MC, h, m_index); "

Answer 1

[ARI SAGBOHAN]

Hi i'm sure there is a mistake in your code.Have you figured it out?