Building multivariate linear regression in C++ — no libraries, just code

Govind Pothuraju on Instagram: "🔥 “If you understand this, half of matrix problems become EASY!” 👉 Comment “CODE” if you want solutions in C++, Java & Python Day 47/200: LeetCode 867 — Transpose of Matrix 🔄 Given a matrix, return its transpose. 👉 Transpose means converting rows into columns and columns into rows. ✅ Approach (O(rows × cols)): Create a new matrix with swapped dimensions Traverse the original matrix Assign result[j][i] = matrix[i][j] 💪 This problem builds a strong foundation f