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Fix bug in Matern12 kernel #119

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merged 5 commits into from
Oct 6, 2022
Merged

Fix bug in Matern12 kernel #119

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1810d34
Intro to GP notebooks
thomaspinder Oct 5, 2022
955c264
Signpost nb
thomaspinder Oct 5, 2022
d1b94b5
Fix Matern12 Issue
thomaspinder Oct 6, 2022
270b9f7
Remove nb links
thomaspinder Oct 6, 2022
5e20e1a
Remove nb links
thomaspinder Oct 6, 2022
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4 changes: 2 additions & 2 deletions gpjax/kernels.py
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Original file line number Diff line number Diff line change
Expand Up @@ -99,7 +99,7 @@ def _set_kernels(self, kernels: Sequence[Kernel]) -> None:
kernels_list.append(k)
self.kernel_set = kernels_list

def _initialise_params(self, key: jnp.DeviceArray) -> Dict:
def _initialise_params(self, key: jnp.DeviceArray) -> List[Dict]:
"""A template dictionary of the kernel's parameter set."""
return [kernel._initialise_params(key) for kernel in self.kernel_set]

Expand Down Expand Up @@ -193,7 +193,7 @@ def __call__(
"""
x = self.slice_input(x) / params["lengthscale"]
y = self.slice_input(y) / params["lengthscale"]
K = params["variance"] * jnp.exp(-0.5 * euclidean_distance(x, y))
K = params["variance"] * jnp.exp(-euclidean_distance(x, y))
return K.squeeze()

def _initialise_params(self, key: jnp.DeviceArray) -> Dict:
Expand Down