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>0< 加载中...

计算区域面积出现错误

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  • yu曼晨99
  • ()[]区别
    5
该楼层疑似违规已被系统折叠 隐藏此楼查看此楼
面积显然非零,为何用Area算出来是0呢?

RegionUnion[
Region[Polygon[{{-0.09427691257628396, -0.44780428017896556}, \
{-0.18147134605831122, -0.3890124797874572}, {-0.2746605489482636, \
-0.36033459793362244}, {-0.35514638360533846, -0.3552846004276385}, \
{-0.4625099902638466, -0.2927704264485992}, {-0.4617131276727558, \
-0.4340222253546015}, {-0.5877867154513844, -0.41634027502629384}, \
{-0.5862272857984056, -0.48271174190150273}, {-0.566230670905062, \
-0.5432387979254261}, {-0.4911985733176256, -0.6052532849758789}, \
{-0.5620058029639305, -0.6773560949534666}, {-0.6328130326102355, \
-0.7494589049310543}, {-0.47098189722533773, -0.725852139553383}, \
{-0.41227761754943404, -0.7495660922012528}, {-0.31959208237433734, \
-0.7407593261163754}, {-0.3003468776087097, -0.6654936145311695}, \
{-0.16676946462898812, -0.7476876820011231}, {-0.11263719546802067, \
-0.7173256374246015}, {-0.0478750518986739, -0.6701880725265026}, \
{-0.17923931142126465, -0.5390515065063537}}]],
Region[Polygon[{{0.038344750687846284,
0.781819717755528}, {-0.045718406934524,
0.888156064047408}, {-0.11755515879481705,
0.9397531356759435}, {-0.19275722125304143,
0.9927102637916769}, {-0.26060700170337453,
0.9990335239472281}, {-0.32630589688039796,
0.9640830504015635}, {-0.39200479205742134,
0.9291325768558988}, {-0.40562353136064416,
0.8187493825760914}, {-0.3678255052091056,
0.72928443161589}, {-0.38790409118639574,
0.6628716915844391}, {-0.42819940530571243,
0.5605470901882036}, {-0.4427395548191305,
0.4643094319233733}, {-0.4572797043325488,
0.368071773658543}, {-0.37122010632825136,
0.41144910153126546}, {-0.28516050832395384,
0.45482642940398793}, {-0.20224374637633408,
0.5110898981026798}, {-0.09662246569231722,
0.5310535315914241}, {-0.10611312500087879,
0.6303815121140586}, {-0.07857179556253141,
0.7023471497790653}, {-0.020113522437342574,
0.7420834337672967}}]]]
Area@璐村惂鐢ㄦ埛_053Q95e馃惥


  • xzcyr
  • 吧主
    15
该楼层疑似违规已被系统折叠 隐藏此楼查看此楼
感觉应该是bug……加个DiscretizeRegion就能算了。
此bug在13.0.0中健在。
你向客服报一下吧。


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