extreme learning machine multi-class classification

i am using the attached code for the multiclass classification. but i am getting error <Undefined function or variable 'getRandomMatrix'.

Error in trainRELM (line 70)

R = getRandomMatrix(size(Data.X,2)+1,nh,type,Params.seed);

Error in test1 (line 47)

LR2 = trainRELM(DataTG);>

kindly help me to understand the reason for why the error is coming like this.

Answer 1

[Walter Roberson]

https://www.mathworks.com/matlabcentral/answers/336213-to-make-vector-compatible-to-matrix has it

[Pratima Tiwari]

Thank you so much for the help, but kindly help me with the answer asked on the link shared with you..how can I resolve that.?