Sharp EL9900C EL-9900C - Page 208
Graphic method, Example
UPC - 074000016873
View all Sharp EL9900C manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 208 highlights
Chapter 12: The SOLVER Feature Graphic method Note: The Graphic method is another way of approximating solutions, using graphical representations. This method is particularly useful when finding more than one solution on a graph axis. Example Obtain values for "Y = X3 - 3X2 + 1", when Y = 0. 1. Press @ ' to enter SOLVER. Clear screen entries by pressing C several times. 2. Enter "Y = X3 - 3X2 + 1" into the initial window, and press E. 3. In the next window, set the Y value as "0", and press E. The right side value of the equation is now set. Unlike in the Newton's method, the X value will not be assumed as the starting point for the Graphic method. 4. Before proceeding further, you will need to set the SOLVER to the Graphic method. Press @ ' to call up the SOLVER menu, and press A (for "A METHOD"), then 3 (for "3 Graphic"). The Graphic method is now set. 5. Press @ h to proceed. 6. Next in the following window, specify the range of analysis that will incorporate all possible solution. In this example, we will set the beginning point at "-1", and the end point at "3". Press E at each variable entry. 198