I am trying to write a function which counts the amount of times a character pattern (p) can be found within another string; I am trying to use loops only. Below is the code that I have; I get no error, then again my code doesn't seem to execute. I think I am missing smth obvious and would appreciate a second pair of eyes; I have set dna='ATCCCGG' and p='CG'. Any input is welcome; many thanks in advance.
function [count] = countPattern_CM(dna,p)%countPattern_CM This function finds out how many times a pattern p occurs
%in data
if length(p)>length(dna) msgbox(['The pattern(p) that you entered is longer than the dna',... '\nstring. Please enter new pattern(p)! ']); else count=0; %This variable captures the occurence of
%the pattern p within dna
for i=1:length(dna) k=i+length(p)-1; while k<=length(dna); if strcmp(dna(1,i:k),p)==1; count=count+1; else continue; end end end endend
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