Error: There was a problem grading your submission. Details: sub got incompatible shapes for broadcasting: (5,), (50,)

[Deepti_Prasad]

closing this thread as his issue is addressed in his created post

C2 Week 01 Calculus for Machine Learning First Programming Assignment

Hi @Ushan_Loshitha You seen to have hard coding the codes. Perhaps you missed to click the hint which provides you on how to recall the price_A and price_B using the dataframe(df). I am attaching an image, please see the hint section below the Exercise 1 header [Screenshot_20250122_043242_Chrome] You are suppose to first use df to the column price_supplier_a_dollars_per_item to get prices_A and use price_supplier_b_dollars_per_item to get prices_B then using the above recall code prices_A…