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This doesn't seem to work on Mac You can check with $PreRead = Echo (or Print in case of V<10.3) that +1 returns RowBox[{+,1}] in FrontEnd and "+1" in Kernel. So the solution is to use:$PreRead = StringReplace[#, StartOfString ~~ op : "*" | "+" | "-" | "/" :> "%" <> op] &

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My definition of $Pre does not work as intended. I will edit later. See also edits of this answer. I originally intended a solution similar to that in Kuba's answer. I got confused because$PreRead does not do anything for me in a kernel window, which also seems to be the case for the OP, but not for Kuba. The kernel does not deal with boxes. In the front ...

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sorry for answering so late but i just saw the question. Actually it is quite simple. Just go to evaluation>kernel configuration options add a new kernel and fill like this: replacing path/to/your/perm/key, yourec2user and your.ec2.address with your information. notice that we are using macs native ssh instead of mathematica's java ssh. the -i option ...

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I saw this problem recently on the Wolfram Community website and answered it there. I'll copy my answer here (http://community.wolfram.com/groups/-/m/t/603973) I'm not sure if there's a simple way to prevent the issue. I would do this by basically reconstructing the ListVectorPlot Function from VectorPlot. To make it easy, I'll just make an Interpolation of ...

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The bottom line is that, given the accuracy with which Timing can measure, there is no difference in the timings you report. Timing has a lot more precision than accuracy. What you are seeing are stochastic fluctuations in the timing process. Let me try to justify that conclusion. First, for calibration purposes I need to establish the performance of your ...

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