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| Note: I have checked the book an you has forgotten a "," DSolve[{x1'[t] == 1 - 2.5 x1[t] + x2[t], x2'[t] == 2 x1[t] - x2[t], x1[0] == 0, x2[0] == 0} **,** {x1[t], x2[t]}, t] |
| Dear All, I wish to insert a moving circle divided in slice inside of an image A couple of examples (partially finished) are shown below. The are only ideas. I will apreciate a only solution. img = ExampleData[{"TestImage", "House"}]; ... |