# 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 10.1, there is a typo in the oscillation condition equation +
*(13 November 2016)* - In Equation 10.1, there's a typo 0 instead of ')' +
*(14 November 2016)* - In Section 12.2, the condition for Gyv being small seems to be misstated +
*(19 November 2016)* - In Section 12.2, the word "inherently" is misspelled +
*(19 November 2016)* - In Section 12.2, the word "desired" is misspelled +
*(19 November 2016)* - In Section 12.2, there is a typo in the equation for the approximate inverse of P(s) +
*(19 November 2016)* - In Section 12.2, the feedforward command u fv is mislabeled in Figure 12.3 +
*(19 November 2016)* - In Section 12.4, the word "limitations" is misspelled +
*(19 November 2016)* - In Section 12.2, there is a typo in the equation for P^+(s) +
*(19 November 2016)* - In Section 12.1, the vector w corresponding to Fig. 12.1 seems to be incorrect +
*(19 November 2016)* - In Section 12.3, there is a missing space +
*(19 November 2016)* - In Section 12.2, there is a singular vs. plural error when talking about the control signal +
*(19 November 2016)* - In Section 12.1, the additional transfer functions for the F != 1 case seem to be incorrect +
*(19 November 2016)* - In Section 12.2, the sentence about sensitivity to model uncertainty has a grammatical issue +
*(19 November 2016)*

**In Section 12.6, a sentence in Theorem 12.2 is grammatically incorrect +***(22 November 2016)***In Section 12.6, there is a missing comma in the caption of Figure 12.17 +***(22 November 2016)***In Section 12.7, there's a grammatical error where it talks about the closed loop system H i +***(22 November 2016)***In Section 12.7, there's a typo in the discussion of inner/outer loop design +***(22 November 2016)***In Section 13.2, the word "point" is duplicated +***(22 November 2016)***In Section 13.2, the word "transfer" is misspelled +***(22 November 2016)***In Section 13.2, the word "when" is incorrectly capitalized +***(22 November 2016)***In Section 13.2, there's a grammatical issue in the discussion of system stability +***(22 November 2016)***In Section 13.3, the word "response" is duplicated +***(22 November 2016)*

- In Example 13.6 (Vinnicombe metric), the formula for conjugate point is missing a minus sign +
*(19 August 2019)* - Original Ziegler-Nichols gains listed after improved tuning rules are incorrect +
*(31 August 2019)* - Updated tuning rules are incorrect in equation (11.10b) +
*(31 August 2019)* - Ziegler-Nichols tuning rules don't quite match the original gains from the Ziegler-Nichols paper +
*(31 August 2019)* - Demoninator of equation (3.27) should be r c +
*(27 October 2019)*