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							55 lines
						
					
					
						
							870 B
						
					
					
				
			
		
		
		
			
			
			
				
					
				
				
					
				
			
		
		
	
	
							55 lines
						
					
					
						
							870 B
						
					
					
				
								clear
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								close all
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								format compact
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								set(groot,'defaulttextinterpreter','latex');
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								set(groot, 'defaultAxesTickLabelInterpreter','latex');
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								set(groot, 'defaultLegendInterpreter','latex');
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								web_example_2d_data;
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								x = positions(1, :);
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								y = positions(2, :);
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								if 1
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								scatter(x, y, 5, solution, 'filled');
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								title('$u(x, y)$');
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								xlabel('$x$')
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								ylabel('$y$')
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								zlabel('$u(x, y)$')
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								xlim([-1 1])
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								ylim([-1 1])
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								axis square
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								grid on
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								box on
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								xticks(-1:0.5:1)
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								yticks(-1:0.5:1)
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								colormap jet
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								colorbar
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								% exportf(gcf, 'adv-dif-2d-scat.png', '-m3')
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								end
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								if 0
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								tri = delaunay(x,y);
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								trisurf(tri, x, y, solution, 'EdgeColor', 'None');
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								lighting phong
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								shading interp
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								view([145.3000   40.4000])
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								xlabel('$x$')
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								ylabel('$y$')
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								zlabel('$u(x, y)$')
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								title('$u(x, y)$');
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								xlim([-1 1])
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								ylim([-1 1])
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								axis square
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								grid on
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								box on
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								xticks(-1:0.5:1)
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								yticks(-1:0.5:1)
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								colormap jet
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								% exportf(gcf, 'adv-dif-2d-surf.png', '-m3')
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						|
								
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								end
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