hello everyone. I would like to ask which part of the code written below is wrong. There are two steps: 1. Add a zero matrix of N rows and 2 columns to a matrix; 2. Remove the zero matrix of N rows and 2 columns from a matrix. Thank you very much.

   [ma,na] = size(dataC);
   [mb,nb] = size(dataD);
   
   if ma>=mb
      out1= zeros((ma-mb),2);
      dataD1=[dataD;out1];%Add the 0 matrix of  rows and 2 columns to one block
      dataF=intersect(dataC,dataD1);
      dataF(dataF==0)=[];
   else
      out2= zeros((mb-ma),2);
      dataC1=[dataC;out2];%Add the 0 matrix of N rows and 2 columns to one block
      dataF=intersect(dataC1,dataD);
      dataF(dataF==0)=[];
   end      
   %%%%%%%%%%%%%%%%%%%The coordinate dataG of the same point in datae and dataF%%%%%%%%%%%%%%%%%
   [mc,nc] = size(dataE);
   [md,nd] = size(dataF);
   
   if mc>=md
      out3= zeros((mc-md),2);
      dataF1=[dataF;out3];%Add the 0 matrix of N rows and 2 columns to one block
      dataG=intersect(dataE,dataF1);
      dataG(dataG(1,:)==0)=[];
   else
      out4= zeros((mc-md),2);
      dataE1=[dataE;out4];%Add the 0 matrix of N rows and 2 columns to one block
      dataG=intersect(dataE1,dataF);
      dataG(dataG(1,:)==0)=[];
   end

Answer 1

[Wesley]

dataC(dataC==[0,0])=[];

Using this code, the original matrix is changed from two columns to one, and how to correct it.