| 词汇 | secant |
| 释义 | secant noun[ C ] mathematics specializeduk /ˈsiː.kənt/ us /ˈsiː.kənt/ in a triangle that has one angle of 90°, the ratio of the hypotenuse (= the length of the side opposite the 90° angle) to the length of the side next to an angle less than 90°正割 a line that crosses a circle at two places割线 /GettyImages Geometry: describing angles, lines & orientations angle of incidence angularity antinode asymptote asymptotic gradient interior angle multiaxial non-coplanar non-intersecting non-planar reflex scalene triangle shallow sine supplementary triangulate unbowed vanishing point vertically secant | American Dictionarysecant noun[ C ] us/ˈsi·kænt/ trigonometry in a triangle that has one angle of 90°, the ratio (=comparison) of the hypotenuse (= length of the side opposite the 90° angle) to the length of the side next to an angle less than 90° geometry A secant is also a line that crosses a circle at two places. Examples of secantsecant Note that this line is a secant or chord of the graph of the function "f". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Therefore, the secant method may occasionally be faster in practice. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The following graph shows the function "f" in red and the last secant line in bold blue. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Why did he never mention the secant, with which he in fact operated? From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Geometrically, the limit of the secant lines is the tangent line. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Continuous flight augering can be used to construct a secant piled wall which can be used as a retaining wall or as shoring during excavation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The tangent line is a limit of secant lines just as the derivative is a limit of difference quotients. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A chord is an interval of a secant line, the portion of the line that lies within the curve. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Here we have assumed already known the integral of the secant function. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He inserted an additional test which must be satisfied before the result of the secant method is accepted as the next iterate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In fact, the union of the tangent and secant lines of any non-planar smooth algebraic curve is three-dimensional. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A secant line, or just "secant", is the line extension of a chord. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The method is a generalization of the secant method. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The algorithm tries to use the potentially fast-converging secant method or inverse quadratic interpolation if possible, but it falls back to the more robust bisection method if necessary. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The secant lines of isograds with the surface form lines on a geologic map. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of secant These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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