23 lines
800 B
Matlab
23 lines
800 B
Matlab
function adjacencyMatrix = calculateDistanceMatrix(positions)
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% 计算任意两个城市之间的直线距离，返回加权邻接矩阵
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% 输入：positions - 包含城市坐标的矩阵 (n行3列)
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% 输出：adjacencyMatrix - n×n的加权邻接矩阵
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% 获取城市数量
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numCities = size(positions, 1);
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% 初始化邻接矩阵
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adjacencyMatrix = zeros(numCities, numCities);
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% 计算每对城市之间的欧几里得距离
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for i = 1:numCities
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for j = 1:numCities
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if i ~= j
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% 计算欧几里得距离
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dx = positions(i, 2) - positions(j, 2);
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dy = positions(i, 3) - positions(j, 3);
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adjacencyMatrix(i, j) = sqrt(dx^2 + dy^2);
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end
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end
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end
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end |