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7

Add the Global context: Clear["Globala*","Globalb*","GlobalA*"] The built-in (hence protected) command are of System scope: Context[AbelianGroup] (*returns: System*)

7

Assume that you have your lists of unique resistor values (resistors) and of unique capacitor values (capacitors). For now, I generate two such lists as follows: resistors = Flatten@ Outer[ Times, PowerRange[1, 10000], {100, 110, 120, 130, 150, 160, 180, 200, 220, 240, 270, 300, 330, 360, 390, 430, 470, 510, 560, 620, 680, 750, 820, ...

3

From the description of the question it seems to me that using the (undocumented) option IntegrationMonitor to obtain integration intervals and estimates might be very useful. Here is an example: t = Reap[NIntegrate[Sin[x]/Sqrt[x], {x, 0, 100}, PrecisionGoal -> 6, Method -> "MonteCarlo", IntegrationMonitor -> (Sow[ ...

3

This references a past dialog on the subject of argument testing. There may be a good reasons for the side-effect method you are using, but in this case a check function may simplify things. func::invidx = "Index 1 should be a non-negative machine-sized integer betwwen 2 and 3."; func::intnm = "Number 1 should be a non-negative machine-sized ...

1

Just forbid the symbolic treatment by defining a numerical function: x = {{9.19, -7.67}, {9.59, -7.32}, {9.81, -7.99}, {12.53, -9.98}, \ {7.40, -6.26}, {8.03, -6.94}, {9.40, -7.56}, {9.71, -7.63}, {8.15, \ -6.89}, {11.57, -9.48}, {11.82, -9.67}, {10.97, -9.15}, {7.57, \ -6.20}, {11.50, -8.91}, {8.06, -6.13}, {8.65, -7.17}, {8.39, -7.01}, \ {14.04, -11.65}, ...

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