Sharp EL9900C EL-9900C - Page 100
phase-based uv, uw, or vw, based Web, SETUP, E COORD, Example 1, based Graphing Time, FORMAT, G TYPE
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Chapter 6: Advanced Graphing Features - Advanced Keyboard Note: phase-based (uv, uw, or vw) The un values will be plotted against the vn values (uv). (n-1)-based (Web) The u values will be plotted against the u value. n n-1 • When u is incorporated in to the equation, the u(nMin) n-2 requires two values: the minimum, and the second smallest. For example, you will need {0, 1} in the u(nMin) entry row if u(n-1) + u(n-2) is entered as the equation. • When Web is selected, n - 2 cannot be referred to. n also cannot be directly referred to; entering u(n-1) + n will result in an error. Before entering graphing sequences, the calculator's graphing coordinates will need to be set up: 1. Press @ ;. The SETUP menu appears. 2. Press E to select E COORD, then press 4 to select 4 Seq. 3. Press C to exit the SETUP menu. Example 1: n-based Graphing (Time) • Draw a sequential graph of u = 2 × 2n-1. n First, make sure that the graph coordinate mode is set to sequential (see above.) 1. Press @ f to open the FORMAT menu. The FORMAT menu allows user to change the graph configurations. 2. When the menu appears, select the item G TYPE. 3. Press 2 to select 2 Time. 90