Comments (1)
Nevermind. After looking more carefully at the figure, and re-read the paper, I was able to reproduce it with the following code.
t = np.linspace(-3.0, 3.0, 100)
x = [[i, 0.0] for i in t]
x = torch.tensor(x)
softmax_y = softmax(x)
alpha125_y = entmax_bisect(x, 1.25)
alpha15_y = entmax_bisect(x, 1.5)
sparsemax_y = sparsemax(x)
alpha4_y = entmax_bisect(x, 4)
fig, ax = plt.subplots(figsize=(8, 6))
ax.plot(t, softmax_y[:, 0], label=r"$\alpha = 1$ (softmax)", linewidth=3, linestyle=':')
ax.plot(t, alpha125_y[:, 0], label=r"$\alpha = 1.25$", linewidth=2)
ax.plot(t, alpha15_y[:, 0], label=r"$\alpha = 1.5$", linewidth=3, linestyle='--')
ax.plot(t, sparsemax_y[:, 0], label=r"$\alpha = 2$ (sparsemax)", linewidth=3)
ax.plot(t, alpha4_y[:, 0], label=r"$\alpha = 4$", linewidth=1, color='k')
ax.set_yticks([0.0, 0.5, 1.0])
plt.legend()
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Related Issues (20)
- Usage of alpha HOT 3
- Unexpected behaviour of sparsemax gradients for 3d tensors HOT 8
- entmax implementation for Tesnoflow 2 HOT 1
- Replicating the behaviour from the paper HOT 1
- entmax_bisect leads to loss becoming nan HOT 16
- Problem with sparse activations HOT 9
- Entmax fails when all inputs are -inf HOT 1
- Alpha value less than one? HOT 8
- Index -1 is out of bounds HOT 1
- A bug when alpha = 1 for entmax_bisect? HOT 3
- `entmax_bisect` is not stable around `alpha=1` HOT 3
- Release patch 1.0.1 with torch install_requires fix HOT 5
- alpha-entmax
- Errors when using the loss function HOT 9
- entmax_bisect bugs with fp16/bf16 HOT 1
- Nans gradients for tensors with singleton dimensions for budget_bisect. HOT 5
- Instability of entmax bisect around 0? HOT 1
- EntmaxBisect forward requires unused argument HOT 2
- Sparse losses return nan when there is -inf in the input HOT 2
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