diff --git a/src/main/java/com/mattrixwv/matrix/DoubleMatrix.java b/src/main/java/com/mattrixwv/matrix/DoubleMatrix.java
index bc8d4ee..519443f 100644
--- a/src/main/java/com/mattrixwv/matrix/DoubleMatrix.java
+++ b/src/main/java/com/mattrixwv/matrix/DoubleMatrix.java
@@ -1,7 +1,7 @@
 //Matrix/src/main/java/com/mattrixwv/matrix/DoubleMatrix.java
 //Mattrixwv
 // Created: 02-07-22
-//Modified: 02-07-22
+//Modified: 02-08-22
 package com.mattrixwv.matrix;
 
 
@@ -172,7 +172,12 @@ public class DoubleMatrix{
 		return new DoubleMatrix(newRow);
 	}
 	public int getNumRows(){
-		return grid.length;
+		if(grid == null){
+			return 0;
+		}
+		else{
+			return grid.length;
+		}
 	}
 	public DoubleMatrix getCol(int col){
 		//Make sure the column number is valid
@@ -698,7 +703,7 @@ public class DoubleMatrix{
 		double[][] newGrid = new double[getNumRows()][getNumCols()];
 		//If the grid is 1x1 return the grid
 		if(getNumRows() == 1){
-			newGrid[0][0] = grid[0][0];
+			newGrid[0][0] = 1;
 		}
 		//Use the formula to find the cofactor matrix
 		else{
@@ -743,7 +748,7 @@ public class DoubleMatrix{
 			DoubleMatrix rightMatrix = (DoubleMatrix)rightSide;
 
 			//Make sure they have the same number of elements
-			if(grid.length != rightMatrix.grid.length){
+			if(getNumRows() != rightMatrix.getNumRows()){
 				return false;
 			}
 			else if(getNumCols() != rightMatrix.getNumCols()){
@@ -751,8 +756,8 @@ public class DoubleMatrix{
 			}
 
 			//Check every element
-			for(int row = 0;row < grid.length;++row){
-				for(int col = 0;col < grid[0].length;++col){
+			for(int row = 0;row < getNumRows();++row){
+				for(int col = 0;col < getNumCols();++col){
 					if(Math.abs(grid[row][col] - rightMatrix.grid[row][col]) > delta){
 						return false;
 					}
@@ -785,10 +790,10 @@ public class DoubleMatrix{
 	@Override
 	public String toString(){
 		StringJoiner matrix = new StringJoiner("\n");
-		for(int rowCnt = 0;rowCnt < grid.length;++rowCnt){
+		for(int rowCnt = 0;rowCnt < getNumRows();++rowCnt){
 			StringJoiner row = new StringJoiner(",", "[", "]");
 
-			for(int colCnt = 0;colCnt < grid[0].length;++colCnt){
+			for(int colCnt = 0;colCnt < getNumCols();++colCnt){
 				row.add(Double.toString(grid[rowCnt][colCnt]));
 			}