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If your application is not critical you can use a small LUT e.g. 256 points then interpolate (linearly) between two values as they occur by finding the difference between input (t) value and nearst LUT values. i.e. some t values will point directly, most others will point in between LUT points so a basic calculation is needed to adjust the result.
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Altera Guru,
Infact, my design is critical. output need to be very precise. Is ther anyway for that?
Now, I got some points then linearize them (y = mx + c) with a particular time interval, then write code like below.
if t = 0 then
e = 1;
elsif t > 0 and t <= 1 then
e = -0.5 * x + 1;
......
end.
Could I implement in this way?
Thank you.
Akilan.T
Honored Contributor
