Αποτελέσματα Αναζήτησης
11 Ιαν 2024 · The figure below is a graph of the simple harmonic motion of a particle of string through which an harmonic transverse wave is passing (the displacement is parallel to the \(y\)-axis, and the motion is along the \(x\)-axis).
Amplitude is shown in three places on the graph. First, a dashed line has been drawn from the first peak back to the y-axis, horizontal to the x-axis, and the distance from the origin to the point where the dashed line crosses the y-axis is labelled ‘amplitude’.
Three-dimensional Points and Lines¶ The most basic three-dimensional plot is a line or collection of scatter plot created from sets of (x, y, z) triples. In analogy with the more common two-dimensional plots discussed earlier, these can be created using the ax.plot3D and ax.scatter3D functions.
A plane wave in two or three dimensions is like a sine wave in one dimension except that crests and troughs aren’t points, but form lines (2-D) or planes (3-D) perpendicular to the direction of wave propagation. Figure 1.5 shows a plane sine wave in two dimensions.
Definition. The three-dimensional rectangular coordinate system consists of three perpendicular axes: the x -axis, the y -axis, the z -axis, and an origin at the point of intersection (0) of the axes. Because each axis is a number line representing all real numbers in ℝ, the three-dimensional system is often denoted by ℝ3.
Key points. If the x-axis is distance, the graph is used to work out wavelength, \ (\lambda\). If the x-axis is time, the graph is used to work out period, T. Both graphs can be used to...
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