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Discover LudwigThe phrase "approximate curve" is correct and usable in written English.
It can be used in contexts such as mathematics, physics, or data analysis when referring to a curve that is close to a specific shape or function but not exact.
Example: "To simplify the calculations, we can use an approximate curve to represent the data points."
Alternatives: "estimated curve" or "estimated trajectory."
Exact(17)
The approximate curve for the power link approximating to the probit provides a fair approximation.
The approximate curve is εT G1 continuous, where εT is the user-specified angle tolerance.
The power index of the approximate curve is Archie's m parameter.
Figure 13 Cross-plot between porosity and resistivity and the approximate curve of Archie's law.
The Hausdorff distance between the approximate curve and the exact curve is controlled under the user-specified tolerance.
The Hausdorff distance between the approximate curve and the exact curve is controlled under the user-specified distance tolerance.
Similar(43)
The equation of the approximate curves is Eq. (3).
The ability to locally approximate curves by the circle average is demonstrated.
The lines in Fig. 6 are approximate curves for each cluster of the B obs. values.
y ( t ) is evaluated up to n = 12 and plotted in Figure 8. Figure 7 The approximate curves of problem 2 for α = 3 4. Figure 8 The approximate curves by different methods in problem 2 for α = 1, 1 2, 3 4.
Fig. 6 B obs. values 11classified by the station's a values and its approximate curves (B-Δ equations).
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com