annotate +draw/prompt_line.m @ 1013:eb441fbdf379
feature/advectionRV
Draft implementation of RungeKutta with exterior RV updates
- Draft class RungeKuttaExteriorRV which updates the residual using a BDF approximation of the derivtive outside of the RK stages.
- Draft class for BDF derivative
| author |
Vidar Stiernström <vidar.stiernstrom@it.uu.se> |
| date |
Wed, 05 Dec 2018 15:04:44 +0100 |
| parents |
48b6fb693025 |
| children |
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| rev |
line source |
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0
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1 function [C,h] = prompt_line(s,varargin)
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2 default_arg('s',[])
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3 if ~isempty(s)
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4 fprintf(s,varargin{:});
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5 end
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6
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7 a = draw.prompt_point('Enter starting point\n');
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8 p = draw.point(a);
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9 p.Color = Color.green;
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10 p.MarkerSize = 24;
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11 b = draw.prompt_point('Enter stopping point\n');
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12 p = draw.point(b);
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13 p.Color = Color.red;
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14 p.MarkerSize = 24;
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15
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16 C = grid.Curve.line(a,b);
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17 h = C.plot();
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18 uistack(h,'bottom');
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19 end |
