# Search by property

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This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.

## List of results

- In Section 6.3, there is a discrepancy between variables for discrete/continuous +
*(Kai Kirk)* - In Example 6.8, signalsith should be signals with +
*(Kai Kirk)* - Display equation above equation (2.12) has extra set of parentheses +
*(Kirk Kai)* - In the air-fuel example in Section 1.8, missing reference to Figure 1.16b +
*(Kirk Kai)*

**In Example 13.6 (Vinnicombe metric), the formula for conjugate point is missing a minus sign +***(Richard Murray)***Original Ziegler-Nichols gains listed after improved tuning rules are incorrect +***(Richard Murray)***Updated tuning rules are incorrect in equation (11.10b) +***(Richard Murray)***Ziegler-Nichols tuning rules don't quite match the original gains from the Ziegler-Nichols paper +***(Richard Murray)*