Hp 49g Graphing Calculator Manuel d'utilisateur Page 83

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Differential equation plots
A differential equation is an equation that involves one or more
derivatives. An example is dy/dt = t + y.
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Figure 4-11: Default plot window and plot setup parameters for plotting differential equations
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A , , , , 1
Figure 4-12: Sample differential equation plot
Plot window parameters
H-View The horizontal display range, ■with the minimum
horizontal value in the first field and maximum horizontal
value in the second field.
V-View The vertical display range, "with the minimum vertical
value in the first field and maximum vertical value in the
second field.
Init The independent variable’s initial value. (This must
con-espond to the initial value of the solution variable.)
Final The independent variable’s final value.
Init-Soln The solution variable’s initial value.
Tol An indication of acceptable tolerance, that is, the
acceptable level of absolute error. (The default value is
0.0001.)
Step The initial step size used to compute the solution.
Plotting graphs
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