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Student Support Forum: 'Problems in plotting vector fields' topicStudent Support Forum > General > "Problems in plotting vector fields"

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Gdog Gdog
05/25/99 3:45pm

Dear Custommer Support,

I want to graph vector fields for my differential equations but sometimes Mathematica show the graph, sometimes it doesn't. When it doesn't, it display only ''GraphVectorField[........]. Is there a way to actually ''force'' the software to show the graph instead? I did try using Show[] function and I got an error message saying that ''BlaBlaBla is not a type of graphic...''
Here is an example of what I did:
<<Graphics`PlotField`
PlotVectorField[{1,1+t+4*y},{t,-3,3},{y,-3,3}]

Please help!
P.S: The `PlotField` package loaded OK because I got 2 other vector fields graph OK.

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