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I trying to combine two tables for a vector plot.

Consider one table

data = Table[{x, -y}, {x, -6, 0}, {y, -6, 0}]

We can easily apply the function ListVectorPlot on this table and it works correctly.

Now to the data I want add another data.

data2 = Join[%, Table[{x, -y}, {x, 1, 6}, {y, 1, 6}]]

Note that there is a "missing region $x\in (0,1) ∧ y\in(0,1)$. Now If we apply ListVectorPlot to data2 I get the error "data2 is not a valid vector field dataset or a valid list of datasets". How do I fix this error?

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  • $\begingroup$ I am not sure that you have a well-constructed ListVectorPlot to start with, because the format of data does not immediately correspond to a reasonable input for that function. I know that it plots something, but I am not sure that it is your intended output anyway. $\endgroup$
    – MarcoB
    Aug 2, 2023 at 14:10

1 Answer 1

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Try

data = Table[{{x, y}, {x, -y}}, {x, -6, 0}, {y, -6, 0}] ;
data1 = Table[{{x, y}, {x, -y}}, {x, 1, 6}, {y, 1, 6}]
Show[{ListVectorPlot[  data ], ListVectorPlot[  data1 ]},PlotRange -> All]

enter image description here

Hope it helps!

addendum

in one step

ListVectorPlot[{ data , data1 }, VectorPoints -> All]

enter image description here

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