![Hessian of log-sum-exp $f(z) = \operatorname{log} \sum_{i=1}^n z_i$, find $\nabla^2f(z)$ - Mathematics Stack Exchange Hessian of log-sum-exp $f(z) = \operatorname{log} \sum_{i=1}^n z_i$, find $\nabla^2f(z)$ - Mathematics Stack Exchange](https://i.stack.imgur.com/ZfJRz.png)
Hessian of log-sum-exp $f(z) = \operatorname{log} \sum_{i=1}^n z_i$, find $\nabla^2f(z)$ - Mathematics Stack Exchange
![Bound to the log-sum-exp function There is a relatively simple way to bound the log-sum-exp by a quadratic function. An upper bound was known for the binary case since 1996. It was due to Jordan and Jaakkola in the context of variational inference for ... Bound to the log-sum-exp function There is a relatively simple way to bound the log-sum-exp by a quadratic function. An upper bound was known for the binary case since 1996. It was due to Jordan and Jaakkola in the context of variational inference for ...](http://statlearn.free.fr/logsumexpbnd/logsumexpbnd_html_m7d6af51d.png)
Bound to the log-sum-exp function There is a relatively simple way to bound the log-sum-exp by a quadratic function. An upper bound was known for the binary case since 1996. It was due to Jordan and Jaakkola in the context of variational inference for ...
![Underflow/overflow from improper log, then sum, then exp · Issue #5 · lanl-ansi/inverse_ising · GitHub Underflow/overflow from improper log, then sum, then exp · Issue #5 · lanl-ansi/inverse_ising · GitHub](https://user-images.githubusercontent.com/34282885/37849138-f1a0d492-2eac-11e8-808c-d5080ea3e6b2.png)