diff --git a/Pk Jha assignmnet b/Pk Jha assignmnet
new file mode 100644
index 0000000..2b6f7a7
--- /dev/null
+++ b/Pk Jha assignmnet	
@@ -0,0 +1,274 @@
+int main() {
+	int n;
+	cout<<"Enter the value of n";
+	cin>>n;
+	
+	N = 2*n; // Defining the value of N as the size of the Jacobian and other matrices
+	
+	vector<float> X;
+	for(int i=0;i<2*n;i++)
+	{
+	    X.push_back(0);
+	}
+	vector<float> fx;
+    for(int i=0;i<2*n;i++)
+	{
+	    fx.push_back(0);
+	}
+	float F,xf,Cp,lam,xp,tfeed,Ts; // Getting the values of feed and product from the user
+	
+	cout<<"Enter the value of feed";
+	cin>>F;
+	cout<<"Enter the value of xfeed";
+	cin>>xf;
+	cout<<"Enter the value of Cp";
+	cin>>Cp;
+	cout<<"Enter the value of latent heat";
+	cin>>lam;
+	cout<<"Enter the value of x product";
+	cin>>xp;
+	cout<<"Enter the value of T feed";
+	cin>>tfeed;
+	cout<<"Enter the value of temp of steam";
+	cin>>Ts;
+	vector<float> U; // Getting the values of U 
+	float temp;
+	
+	cout<<"Enter the value of Overall Heat Transfer Coefficient";
+	
+	for(int i=0;i<n;i++)
+	{
+	    cin>>temp;
+	    U.push_back(temp);
+	}
+	
+	vector<float> T; // Vector of Tempuratures
+	
+	cout<<"Enter the Exit temperature of product";
+	for(int i = 0; i < n-1; i++)
+	{
+	    T.push_back(0);
+	}
+	
+	cin>>temp;
+	T.push_back(temp);
+	
+	
+	vector<float> L; // Vector of liquid flowrates
+	
+	for(int i = 0; i < n-1; i++)
+	{
+	    L.push_back(0);
+	}
+	
+	L.push_back(F*xf/xp);
+	
+	               // guess array of x
+	for(int i=0;i<2*n;i++)   
+	{
+	    if(i==0)
+	    {
+	        cout<<"Enter the guess value of S";
+	        cin>>X[i];
+	        break;
+	    }
+	    
+	    if(i==(2*n-1))
+	    {
+	        cout<<"Enter the guess value of A";
+	        cin>>X[i];
+	        break;
+	    }
+	    if((i>0)&&(i<=n-1))
+	    {
+	        cout<<"Enter the temp guess value of "<<i<<"th effect";
+	        cin>>X[i];
+	    }
+	    if((i>=n)&&(i<=2*n-1))
+	    {
+	        cout<<"Enter the liquid flowrates guess value of "<<i<<"th effect";
+    	    cin>>X[i];
+	    }
+	}
+	
+	for(int i=0;i<2*n;i++)    // Making the array of different functions from 1 to 2n
+	{
+	    if(i==0)
+	    {
+	     fx[i]=F*Cp*(tfeed-T[0])+X[0]*lam-(F-X[n])*lam;
+	    }
+	    
+	    if(i==n)
+	    {
+	     fx[i]=X[0]*lam-U[0]*X[2*n-1]*(Ts-X[1]);
+	    }
+	    
+	    if((i>1)&&(i<=n-1))
+	    {
+	            fx[i]=X[i+n-1]*Cp*(X[i]-X[i+1]) + (X[i+n-2]-X[i+n-1])*lam - (X[i+n-1]-X[n+i])*lam;
+	    }
+	    
+	    if( i==1)
+	    {
+	        fx[i]=X[i+n-1]*Cp*(X[i]-X[i+1]) + (F-X[n])*lam - (X[n]-X[n+1])*lam;
+	    }
+	    
+	    if( i == n+1)
+	    {
+	        fx[i] = (F - X[n])*lam - U[1]*X[2*n-1]*(Ts - X[1]); 
+	    }
+	    
+	    if((i > n+1) && ( i<=2*n-1))
+	    {
+	        fx[i] = ( X[i-2] - X[i-1])*lam - U[i-n]*X[2*n-1]*(X[i-n] - X[i-n+1]);
+	    }
+	}
+	
+	// Defining the jacobian vector and initiallizing it 
+	float J[2*n][2*n];
+	
+	int count = 0;
+	int count1=0;
+	float flowrate[n+1];
+	flowrate[0] = F;
+	for( int i = 1; i < n+1; i++)
+	{
+		flowrate[i] = L[i-1];
+	}
+	
+	for(int i = 0; i < 2*n; i++)
+	{
+		if( i == 0)
+		{
+		
+			for(int j = 0; j < 2*n; j++)
+			{
+				if( j == 0 || j == n)
+				{
+					J[j][i] = lam;
+				}
+				else
+				{
+					J[j][i] = 0.0;
+				}
+			}
+		}
+		
+		if( i > 0 && i < n)
+		{
+			count = 0;
+			for(int j = 0; j < n; j++)  // Temperature above
+			{
+				if( j >= i-1 && j <= i)
+				{
+					J[j][i] = Cp * flowrate[j] * pow(-1,i+j);
+				}
+				else
+				{
+					J[j][i] = 0;
+				}
+			}
+			
+			for(int j = n; j < 2*n; j++)  // Temperature Below
+			{
+				if( j >= i-1+n && j <= i+n)
+				{
+					J[j][i] = X[2*n-1] * U[j-n] * pow(-1,i+j+1);
+				}
+				else
+				{
+					J[j][i] = 0;
+				}
+			}
+		}
+		if( i >=n && i < 2*n-2)
+		{
+			count = 0;
+			for(int j = 0; j < n; j++)  // Temperature above
+			{
+				if( j >= i-n && j <= i-n+2)
+				{
+					if(j==(i-n+1))
+					{
+						J[j][i]=Cp*(T[i-n]-T[i-n+1])-2*lam;
+					}
+					else
+					{
+					J[j][i] = lam;
+				    }
+				}
+				else
+				{
+					J[j][i] = 0;
+				}
+			}
+			
+			for(int j = n; j < 2*n; j++)  // Temperature Below
+			{
+				if( j == i+1 )
+				{
+					J[j][i] = -lam;
+				}
+				else if ( j == i+2)
+				{
+					J[j][i] = lam;
+				}
+				else
+				{
+					J[j][i] = 0;
+				}
+			}
+		}
+		
+		
+		if( i == 2*n-2)
+		{
+			count = 0;
+			for(int j = 0; j < n; j++)  // Temperature above
+			{
+				if( j >= i-n && j <= i-n+1)
+				{
+					if(j==(i-n+1))
+					{
+						J[j][i]=Cp*(T[i-n]-T[i-n+1])-2*lam;
+					}
+					else
+					{
+					J[j][i] = lam;
+				    }
+				}
+				else
+				{
+					J[j][i] = 0;
+				}
+			}
+			
+			for(int j = n; j < 2*n; j++)  // Temperature Below
+			{
+				if( j == i+1 )
+				{
+					J[j][i] = -lam;
+				}
+				else if ( j == i+2)
+				{
+					J[j][i] = lam;
+				}
+				else
+				{
+					J[j][i] = 0;
+				}
+			}
+		}
+	}
+	
+	float J1[N][N]; // Defining the inverse of the matrix J
+	inverse(J, J1);
+	for(int i = 0; i < N; i++)
+	{
+		for(int j = 0; j < N; j++)
+		{
+			cout<<J1[i][j]<<" ";
+		}
+		cout<<endl;
+	}
+}