Regarding comments in code

Course Q&A Machine Learning Specialization Supervised ML: Regression and Classification
1

How can i get back my commment in code, I lost them in w3 practice lab in compute_gradient funtion?

2

Hi @MOHD_SADIK

Do you mean this section?

# UNQ_C3
# GRADED FUNCTION: compute_gradient
def compute_gradient(X, y, w, b, lambda_=None): 
    """
    Computes the gradient for logistic regression 
 
    Args:
      X : (ndarray Shape (m,n)) variable such as house size 
      y : (array_like Shape (m,1)) actual value 
      w : (array_like Shape (n,1)) values of parameters of the model      
      b : (scalar)                 value of parameter of the model 
      lambda_: unused placeholder.
    Returns
      dj_dw: (array_like Shape (n,1)) The gradient of the cost w.r.t. the parameters w. 
      dj_db: (scalar)                The gradient of the cost w.r.t. the parameter b. 
    """
3

Yes , can you send the comments, where we have to write the code?

4

Here’s what the code cell looks like when you start the lab from the beginning.

# UNQ_C3
# GRADED FUNCTION: compute_gradient
def compute_gradient(X, y, w, b, lambda_=None): 
    """
    Computes the gradient for logistic regression 
 
    Args:
      X : (ndarray Shape (m,n)) variable such as house size 
      y : (array_like Shape (m,1)) actual value 
      w : (array_like Shape (n,1)) values of parameters of the model      
      b : (scalar)                 value of parameter of the model 
      lambda_: unused placeholder.
    Returns
      dj_dw: (array_like Shape (n,1)) The gradient of the cost w.r.t. the parameters w. 
      dj_db: (scalar)                The gradient of the cost w.r.t. the parameter b. 
    """
    m, n = X.shape
    dj_dw = np.zeros(w.shape)
    dj_db = 0.

    ### START CODE HERE ### 
    for i in range(m):
        z_wb = None
        for j in range(n): 
            z_wb += None
        z_wb += None
        f_wb = None
        
        dj_db_i = None
        dj_db += None
        
        for j in range(n):
            dj_dw[j] = None
            
    dj_dw = None
    dj_db = None
    ### END CODE HERE ###

        
    return dj_db, dj_dw
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