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4 votes

Asinh scale in pgfplots with small parameters

The intrinsic problem is that values like 1e-9 become zero internally (underflow), resulting later in division by zero etc etc. I suggest the following solution: Add a column diffscaled to test.csv ...
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2 votes

How to multply an scalar with a defined variable (\def) in Tikz

Remove the pair of {} around your definition. PGFMath assumes an array here. You will still need {1.2*\px}. Use declare function so that you only have to use 1.2*px (though I'm using myPx in the code ...

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