# 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 12.7, there's a grammatical error where it talks about the closed loop system H i +
*(11)* - In Section 2.2, one too many parentheses in an expression for y(t) +
*(12)* - In Section 9.4 there's a sentence with a grammar issue +
*(12)* - In Exercise 7.12, it refers to 'Exercise ??.' +
*(12)* - In Section 3.2, missing space after a period in description of phase portraits +
*(12)* - In the initial condition response portion of Section 3.2, there is an extra "show" +
*(12)* - In Example 5.11, extra "a" in description of P +
*(13)* - In discussion of proportional control in Section 2.2, missing v 0 in displayed equation +
*(13)* - In Equation 7.2, dot is over the subscript +
*(14)* - In Section 9.3 there's a misspelling +
*(14)* - After Example 6.8, reference to equation (6.20) should be equation (6.24) +
*(15)* - Display equation above equation (2.12) has extra set of parentheses +
*(15)* - In Section 9.3 there are equations that use the variable 'n' when it should be 'w' +
*(16)* - In Section 12.2, the condition for Gyv being small seems to be misstated +
*(17)* - In Section 12.6, a sentence in Theorem 12.2 is grammatically incorrect +
*(18)*

**In Section 11.1, the word "frequencies" is duplicated +***(19)***In discussion on PI control in Section 2.2, incorrect formula for G yv when \omega is small +***(19)*

- In Problem 6.8, discrete time system does not progress +
*(2)* - In Section 12.2, there is a typo in the equation for the approximate inverse of P(s) +
*(2)* - In caption for Figure 5.11, "nonlinear systems" should be "nonlinear system" +
*(2)* - In Section 9.1 there's a typo where it talks about Laplace transforms +
*(20)* - Original Ziegler-Nichols gains listed after improved tuning rules are incorrect +
*(22, 23)* - Updated tuning rules are incorrect in equation (11.10b) +
*(22, 23)* - In Section 1.8, breaking should be braking +
*(25)* - In Section 6.3, there is a discrepancy between variables for discrete/continuous +
*(30)* - In Section 3.1, there is a typo for plurality +
*(33)* - In Section 2.1, there is a typo in the discussion of solving for an exponential input +
*(37)* - In Section 12.7, there's a typo in the discussion of inner/outer loop design +
*(4)* - In Example 6.8, signalsith should be signals with +
*(5)* - Caption of Figure 4.3 has grammatical error +
*(5)* - In Section 9.3 there's a missing comma +
*(5)* - In the air-fuel example in Section 1.8, missing reference to Figure 1.16b +
*(7)* - In Section 1.7, there is a typo/missing word near the end of the section +
*(7)* - In the paper mill description in Section 1.8, "production unit" should be "production units" +
*(8)* - Ziegler-Nichols tuning rules don't quite match the original gains from the Ziegler-Nichols paper +
*(8)* - In Section 1.8 text on paper mills, "production unit" should be "production units" +
*(8)* - In Section 13.2, there's a grammatical issue in the discussion of system stability +
*(8)* - Theorem 5.1 has an extra "all" +
*(8)* - Equation 2.11 is not equal to the preceding expression from which it came +
*(9)* - In Section 13.2, the word "transfer" is misspelled +
*(9)* - In Section 2.1, referred is misspelled +
*(9)*