[Term Entry] PyTorch Tensor Operations: .deg2rad()

content/pytorch/concepts/tensor-operations/terms/deg2rad/deg2rad.md

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+---
+Title: '.deg2rad()'
+Description: 'Converts angles from degrees to radians.'
+Subjects:
+  - 'Computer Science'
+  - 'Machine Learning'
+Tags:
+  - 'Functions'
+  - 'Machine Learning'
+  - 'Python'
+  - 'Tensor'
+CatalogContent:
+  - 'intro-to-py-torch-and-neural-networks'
+  - 'paths/computer-science'
+---
+
+In PyTorch, the **`.deg2rad()`** function converts angles from degrees to radians. This is especially useful when using trigonometric functions like `torch.sin()` or `torch.cos()`, which require input in radians.
+
+## Syntax
+
+```pseudo
+torch.deg2rad(input, *, out=None)
+```
+
+**Parameters:**
+
+- `input`: The input tensor containing angles in degrees.
+- `out` (optional): The output tensor to store the result. If provided, the result is written to this tensor in-place.
+
+**Return value:**
+
+A tensor with the same shape as `input`, where each element is converted from degrees to radians. If `out` is specified, the returned tensor is the same as `out`.
+
+## Example
+
+The following example demonstrates the usage of the `.deg2rad()` function:
+
+```py
+import torch
+
+# Define a tensor with angles in degrees
+degrees = torch.tensor([0.0, 90.0, 180.0, 270.0])
+
+# Convert to radians
+radians = torch.deg2rad(degrees)
+
+# Print the result
+print(radians)
+```
+
+The above code produces the following output:
+
+```shell
+tensor([0.0000, 1.5708, 3.1416, 4.7124])
+```