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Add code block example for switch function #620

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Add code block example for switch function #620

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Add code block example for switch function
HarshvirSandhu Jan 28, 2024
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[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Jan 28, 2024
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16 changes: 15 additions & 1 deletion pytensor/tensor/basic.py
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Original file line number Diff line number Diff line change
Expand Up @@ -759,7 +759,21 @@ def cast(x, dtype: Union[str, np.dtype]) -> TensorVariable:

@scalar_elemwise
def switch(cond, ift, iff):
"""if cond then ift else iff"""
r"""
if cond then ift else iff

Examples
--------
.. code-block:: python

import pymc as pm
with pm.Model() as model:
x = pm.Normal('x', mu=0, sigma=1)
mu = pm.math.switch(x > 0, 2.0, -2.0)

x1 = pm.Normal('x1', mu=mu, sigma=1)

"""


where = switch
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