undefined function for input type (double)

Undefined function 'CED_rec' for input arguments of type 'double'.

Error in test_Coop_2T_CED_MED_users_with_diff_SNR_2022_03_28 (line 105)

det_CED(user_no,:) = CED_rec(y(user_no,:), lambda_H(user_no), no_estim_hypoth, N);

Please I have problem with Undefined function and im second case i had this error

Undefined function 'integ_Q_inv' for input arguments of type 'double'.

Error in Untitled2 (line 53)

lambda_L = (N - sqrt(2*N) * integ_Q_inv(Pm_target)) * (1 + sigma2_w); %low threshold estimated with (3) for CED

>>

[Jan]

The error message is clear: Matlab cannot find functions called CED_rec and integ_Q_inv. Where are these functions stored? Are there M-files called CED_rec.m and integ_Q_inv.m ?

[Walter Roberson]

I do not find those functions defined anywhere on the internet.