Sudoku HTML

<html>
    <head>
        <title>ng-Sudoku</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.5/angular.js"></script>
        <script src="scripts/sudokuSolver.js"></script>
    </head>
    <body ng-app="app" ng-controller="TestController">
        <div ng-repeat="(rowIndex,row) in matrix track by $index">
            <input type="text" size="1" value="{{getMatrixVal(rowIndex, colIndex)}}"
               ng-model="inputVal"
               ng-change="updateValue(matrix, rowIndex, colIndex, inputVal)"
               ng-repeat="(colIndex,col) in row track by $index">
        </div>
    </body>
</html>