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| public:calculator:guides:dm41x_curve_fitting [01/08/24 07:06 BST] – john | public:calculator:guides:dm41x_curve_fitting [17/02/26 15:48 GMT] (current) – [DM41X Curve Fitting] john | ||
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| ====== DM41X Curve Fitting ====== | ====== DM41X Curve Fitting ====== | ||
| + | < | ||
| + | The Advantage Pac CFIT program requires all data values to be positive/ | ||
| + | |||
| + | This is quite limiting and perhaps a better method is the PPC ROM's **CV** program. | ||
| + | |||
| + | **CV** does the same curve fitting (including selecting the //best// fit ) without this restriction for curves where negative co-ordinates are appropriate. | ||
| + | |||
| + | It also gives the function of calculating an estimated **x** value from an entered **y**, which CFIT doesn' | ||
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| + | [[ppc_cv]] | ||
| + | |||
| + | </ | ||
| Advantage Pac functions for statistical curve fitting. | Advantage Pac functions for statistical curve fitting. | ||
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| * Clear Statistics Registers with < | * Clear Statistics Registers with < | ||
| * Enter Statistics in usual way with '' | * Enter Statistics in usual way with '' | ||
| + | * Don't use any data points ≤0 | ||
| * When all data pairs are entered press < | * When all data pairs are entered press < | ||
| * Now choose which type of fit to use | * Now choose which type of fit to use | ||
| Line 50: | Line 63: | ||
| * < | * < | ||
| * display : '' | * display : '' | ||
| - | * < | + | * < |
| * display : '' | * display : '' | ||
| - | * < | + | * < |
| * display : '' | * display : '' | ||
| - | * < | + | * < |
| * display : '' | * display : '' | ||
| - | * < | + | * < |
| * display : '' | * display : '' | ||
| * enter an X value if wanted, to get a '' | * enter an X value if wanted, to get a '' | ||
| * '' | * '' | ||
| * display : '' | * display : '' | ||
| - | * < | + | * < |
| * enter another, or press < | * enter another, or press < | ||
| * try a different curve fit.... ('' | * try a different curve fit.... ('' | ||
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| - | {{tag>}} | + | {{tag>calculator dm41x}} |
