Array Manipulation..

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Mustafa 2011-7-12

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/11438-array-manipulation

Hi,

I have asked one question regarding a simple decrement of an array yesterday and got a good response. Today i am trying to manipulate that array further but i am kind of stuck in between loops and condtions. I am new to Matlab

It goes like this i am trying to decrement an array and once any particular element of that array arrives at zero, i am assigning that element as well as its immediate neighboring element with some value. What i need is that once that assigned value arrives at zero, it will increase the counter value by 1.

close all
clear all
clc
n               =   [11 12 13 24 3 7 14 11 12];
n_indx          =   zeros(1,12);
recv_count      =   0;   
send_count      =   0;            
send_count_1    =   zeros(1,12);
recv_count_1    =   zeros(1,12);
      for i=1:40   % Just a loop so that the program can run for long (Not good programming practice)
      while any(n)
          n           =   max(0,n-1)  
          n_indx      =   find(n==0)  
          n(n_indx)   =   3           ;  % Assigning the value of "3" to the element that become zero
          send_count_1(n_indx)=send_count+1 ; % Once an element become zero it should be recorded in this array at the same index
          if (n(n_indx+1)>0)  % Checking if the neighboring element is greater than zero
              n(n_indx+1)=3   % Assigning the vlaue of "3" to the neighboring element
              if (n(n_indx-1)>0) % Checking if the other neighboring element is also greater than zero
               n(n_indx-1)=3  % Assigning the vlaue of "3" to the other neighboring element
          % Now what i want is if all three elements (n_indx) && (n_indx+1)
          % && (n_indx-1) are zero at the same point, they should be recorded
          % into another counter
          if (n(n_indx)==0) && (n(n_indx+1)==0) && (n(n_indx-1)==0)
              recv_count_1(n_indx+1)=recv_count+1;
              recv_count_1(n_indx-1)=recv_count+1;
          % This gives me an error(That they are not scalar and i think they are scalar values).
                  break               
                      end
                  end
      end
      end 
      end