C / C++ / MFC

std::vector< double >::iterator location;
location=std::find(vec.begin(),vec.end(),0.);

error C2679: binary '=' : no operator found which takes a right-hand operand of type 'std::_Vector_iterator<_Ty,_Alloc>' (or there is no acceptable conversion)

#include "stdafx.h"

#include <algorithm>
#include <iostream>
#include <vector>

//#include <sstream>
#include <fstream>
#include <string>
#include <ostream>

vector < vector <long double> > data_matrix;

for (int z=0;z<13;z++)
   data_matrix.push_back(vector <long double>());

bool IsEven (double d)  
{  
  return (d) == 0;  
} 

data_matrix[0].erase(std::remove_if(data_matrix[0].begin(),data_matrix[0].end(),IsEven), data_matrix[0].end());  

m_Application.CreateDispatch("Word.Application");
.......
m_Browser.AttachDispatch(m_Application.get_Browser());

.......
// on prev
void CMyView::OnPagesGoToPrevious()
{
   m_Browser.Previous();
}

// on next
void CMyView::OnPagesGoToNext()
{
   m_Browser.Next();
}