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Inversing a function, i.e: solving a function is often difficult or not possible. Many pure functions or like pure functions will root-plot on the canvas [Mach]. Gaussian functions will need be specified piece wise. NASA(h) will show something on the canvas as demonstrated. The three branches generate some complex solutions, the complex sols won't plot thus the blanks. 1. The red branch is sufficiently pure to plot almost continuous. 2. The blue branch suffers more in the low range. 3. The green branch plays hide and show game ... but willing. The discrete solver is the alternative, but you don't have an exportable function-solution ... interpolate the discrete data solution. If you have better alternative ... welcome ! Jean  Solve INVERSE NASAroots.sm (19kb) downloaded 16 time(s).
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Rank: Advanced Member Groups: Registered
Joined: 14/10/2015(UTC)
Posts: 308
Was thanked: 77 time(s) in 58 post(s)
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Rank: Guest
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Joined: 04/07/2015(UTC) Posts: 6,866 Was thanked: 981 time(s) in 809 post(s)
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Originally Posted by: CBG  Hello Jean
I think the function you're looking for is the following:
Thanks Carlos ... will try fit in the low commercial range. Up until now, J_Frac reconciliation in two segments. Cheers ... Jean Inst_ISA [km_kPa] solve NASA Reconciliate.sm (53kb) downloaded 9 time(s).
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Rank: Guest
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Joined: 04/07/2015(UTC) Posts: 6,866 Was thanked: 981 time(s) in 809 post(s)
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