The discrete compactor imitates the Mathcad/Mathsoft horizontal compactor. You can change L, H, N without triggering the recalculation. Useful in AutoCalc mode. In this demo: only strictly discrete can be compacted.

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1. The function 2. The matrix fnct 3. Vectorising fnct 4. Vectorised matrix

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1. scale both 2. Image Matrix

the zoom default plot 124/33 = 3.757576

Setup Smath image regions

Other setup from Mathcad