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I am trying combine this two functions into one piece in grid.

RegionPlot[x^2+y^2<=1 \[And] y>x,{x,-2,2},{y,-2,2},PlotPoints->15]

Graphics[Disk[{1/2,-1/2}, 1/2]]

I tried put Disk[{},] inside first one but it doesn't work. I would appreciate for any help.

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migrated from Mar 6 '14 at 16:05

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All: this is almost certainly a duplicate. Please search and vote to close appropriately if you have time. – Mr.Wizard Apr 13 '15 at 17:20
up vote 0 down vote accepted

Combine the two functions in Show[]:

Show[RegionPlot[x^2+y^2<=1 \[And] y>x,{x,-2,2},{y,-2,2},PlotPoints->15],Graphics[Disk[{1/2,-1/2}, 1/2]]].

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You can put it inside RegionPlot but you have to use Epilog or Prolog:

RegionPlot[x^2 + y^2 <= 1 \[And] y > x, {x, -2, 2}, {y, -2, 2}, 
 PlotPoints -> 15, Epilog -> Disk[{1/2, -1/2}, 1/2]]
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