Vijay Janapa Reddi a154e87624 Fix critical module implementation issues ...

04_layers: Complete rewrite implementing matrix multiplication and Dense layer
- Clean matmul() function with proper tensor operations
- Dense layer class with weight/bias initialization and forward pass
- Comprehensive testing covering basic operations and edge cases

05_dense: Fix import path errors for module dependencies
- Correct directory names in fallback imports (01_tensor → 02_tensor, etc.)
- Ensure proper module chain imports work correctly

08_dataloader: Fix execution blocking and dataset issues
- Wrap problematic execution code in main block to prevent import chain blocking
- Fix TensorDataset → TestDataset and add missing get_sample_shape() method
- Enable proper dataloader pipeline functionality

09_autograd: Fix syntax error from incomplete markdown cell
- Remove unterminated triple-quoted string literal causing parser failure
- Clean up markdown cell formatting for jupytext compatibility

2025-09-18 16:42:21 -04:00

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Fix critical module implementation issues

2025-09-18 16:42:21 -04:00