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举例来说，如果我们需要模拟一个只有两个比特的量子芯片，其中单比特量子门噪声可以忽略，而双比特量子门具有去极化噪声，测量门则有比特翻转噪声，我们可以按如下方案来搭建噪声模型：",{"type":17,"tag":25,"props":127,"children":128},{},[129],{"type":17,"tag":54,"props":130,"children":133},{"alt":131,"src":132},"cke_4296.png","https://fileserver.developer.huaweicloud.com/FileServer/getFile/cmtybbs/e64/154/b38/90a1d5d431e64154b387b3660e356ff5.20231110064801.74419287686813298656639904138477:50541109073638:2400:AB3A6A0277B938B90D2AC1AF5B144E902E0BC77B3ACA27757555EE840AF6F1D5.png",[],{"type":17,"tag":25,"props":135,"children":136},{},[137],{"type":23,"value":138},"利用该噪声模型，我们可将普通量子线路转化为噪声量子线路：",{"type":17,"tag":25,"props":140,"children":141},{},[142],{"type":17,"tag":29,"props":143,"children":144},{},[145],{"type":23,"value":146},"不含噪量子线路",{"type":17,"tag":25,"props":148,"children":149},{},[150],{"type":17,"tag":54,"props":151,"children":153},{"alt":56,"src":152},"https://fileserver.developer.huaweicloud.com/FileServer/getFile/cmtybbs/e64/154/b38/90a1d5d431e64154b387b3660e356ff5.20231110064830.63517916888933949343133085450741:50541109073638:2400:D186E99040D3B78B1F8FADCBAB80611C9C5FA0CE7B4940384E46681D979CA3E8.png",[],{"type":17,"tag":25,"props":155,"children":156},{},[157],{"type":17,"tag":29,"props":158,"children":159},{},[160],{"type":23,"value":161},"经过噪声模型转化的含噪量子线路",{"type":17,"tag":25,"props":163,"children":164},{},[165],{"type":17,"tag":29,"props":166,"children":167},{},[168],{"type":17,"tag":54,"props":169,"children":171},{"alt":56,"src":170},"https://fileserver.developer.huaweicloud.com/FileServer/getFile/cmtybbs/e64/154/b38/90a1d5d431e64154b387b3660e356ff5.20231110064938.24686706877950542488942792382728:50541109073638:2400:4EA5EEE64895CF90B64945A18F35B36BF775D0225B4E29A83E7C0BF25F6334DE.png",[],{"type":17,"tag":25,"props":173,"children":174},{},[175],{"type":17,"tag":54,"props":176,"children":179},{"alt":177,"src":178},"cke_10157.png","https://fileserver.developer.huaweicloud.com/FileServer/getFile/cmtybbs/e64/154/b38/90a1d5d431e64154b387b3660e356ff5.20231110064959.93679410783628474946828165585465:50541109073638:2400:E7DEBFB2756888DB01701369D49703D9738D1549059A05A9940898226F152DEA.png",[],{"type":17,"tag":25,"props":181,"children":182},{},[183],{"type":17,"tag":54,"props":184,"children":187},{"alt":185,"src":186},"cke_11788.png","https://fileserver.developer.huaweicloud.com/FileServer/getFile/cmtybbs/e64/154/b38/90a1d5d431e64154b387b3660e356ff5.20231110065059.29247401033972544007678522465747:50541109073638:2400:BB61A135B2CBE612CC22AC643CA2EF460D451E1D9FC74DC2C3627664EEC4A1AA.png",[],{"type":17,"tag":25,"props":189,"children":190},{},[191],{"type":23,"value":192},"绘制出来的拓扑图如下：",{"type":17,"tag":25,"props":194,"children":195},{},[196],{"type":17,"tag":54,"props":197,"children":199},{"alt":56,"src":198},"https://fileserver.developer.huaweicloud.com/FileServer/getFile/cmtybbs/e64/154/b38/90a1d5d431e64154b387b3660e356ff5.20231110065211.14468014960661533867187855634526:50541109073638:2400:C85D5844FE0DE476857F277872A7B38525842717D746BE9A4DDF3DF5280A2D3D.png",[],{"type":17,"tag":25,"props":201,"children":202},{},[203],{"type":23,"value":204},"此外，我们还可以利用新版本支持的比特映射算法将量子线路编译到提供的芯片结构上。更多关于拓扑结构与比特映射的教程，请扫码查看参考教程。",{"type":17,"tag":25,"props":206,"children":207},{},[208],{"type":17,"tag":54,"props":209,"children":211},{"alt":56,"src":210},"https://fileserver.developer.huaweicloud.com/FileServer/getFile/cmtybbs/e64/154/b38/90a1d5d431e64154b387b3660e356ff5.20231110065336.21687452021890526714965951311089:50541109073638:2400:19FF0B81054180E8315053FBBFD06EAF3330C2087765EC72EEA15CBAF8302EF4.png",[],{"type":17,"tag":25,"props":213,"children":214},{},[215],{"type":17,"tag":54,"props":216,"children":219},{"alt":217,"src":218},"cke_18928.png","https://fileserver.developer.huaweicloud.com/FileServer/getFile/cmtybbs/e64/154/b38/90a1d5d431e64154b387b3660e356ff5.20231110065405.28730376803278241639047701387937:50541109073638:2400:1257C94D7D25002BFBC0F7C024D1F452827B089BEC3E1D3A8ED140E8D1AAD33A.png",[],{"type":17,"tag":25,"props":221,"children":222},{},[223],{"type":17,"tag":54,"props":224,"children":226},{"alt":56,"src":225},"https://fileserver.developer.huaweicloud.com/FileServer/getFile/cmtybbs/e64/154/b38/90a1d5d431e64154b387b3660e356ff5.20231110065416.32607799348419264138322029688361:50541109073638:2400:6DE66584013B4BCA4CA62B3432A9BD52274DC93755A5E1F81FBB0834A17B6250.png",[],{"type":17,"tag":25,"props":228,"children":229},{},[230],{"type":17,"tag":29,"props":231,"children":232},{},[233],{"type":23,"value":234},"05",{"type":17,"tag":25,"props":236,"children":237},{},[238],{"type":17,"tag":29,"props":239,"children":240},{},[241],{"type":17,"tag":29,"props":242,"children":243},{},[244],{"type":23,"value":245},"海量Ansatz，加速变分量子算法开发",{"type":17,"tag":25,"props":247,"children":248},{},[249,251,256,258,263],{"type":23,"value":250},"Ansatz是变分量子算法的重要组成成分，通过对ansatz量子线路进行优化学习，我们可以解决量子机器学习场景中的分类问题、量子化学模拟的基态能量求解问题等。在新版本中，我们为大家提供了新的19个ansatz，请扫码查看所有的ansatz。我们列举其中一个",{"type":17,"tag":29,"props":252,"children":253},{},[254],{"type":23,"value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mindquantum as mq\nfrom mindquantum.simulator import Simulator\n\nsim  = Simulator('mqvector', 1, dtype=mq.complex64)\nprint(sim)\nmqvector simulator with 1 qubit (little endian), dtype: mindquantum.complex64.\nCurrent quantum state:\n1¦0⟩\n",[277],{"type":17,"tag":93,"props":278,"children":279},{"__ignoreMap":7},[280],{"type":23,"value":275},{"type":17,"tag":25,"props":282,"children":283},{},[284,286,292,294,300,302,308],{"type":23,"value":285},"这里",{"type":17,"tag":93,"props":287,"children":289},{"className":288},[],[290],{"type":23,"value":291},"mq.complex64",{"type":23,"value":293}," 表示模拟器采用的是32位单精度浮点数来进行模拟。",{"type":17,"tag":93,"props":295,"children":297},{"className":296},[],[298],{"type":23,"value":299},"dtype",{"type":23,"value":301},"的默认值为64位双精度的 ",{"type":17,"tag":93,"props":303,"children":305},{"className":304},[],[306],{"type":23,"value":307},"mq.complex128",{"type":23,"value":309},"。在一些变分量子算法上，我们往往只需要单精度即可，由于内存消耗减半，我们能模拟更多一个比特。",{"type":17,"tag":25,"props":311,"children":312},{},[313],{"type":23,"value":314},"此外，我们还新增了误差缓解零噪声外推法（ZNE）、量子线路编译、 贫瘠高原验证等多种算法模块，期待大家的探索与反馈！",{"type":17,"tag":25,"props":316,"children":317},{},[318],{"type":17,"tag":54,"props":319,"children":322},{"alt":320,"src":321},"cke_29643.png","https://fileserver.developer.huaweicloud.com/FileServer/getFile/cmtybbs/e64/154/b38/90a1d5d431e64154b387b3660e356ff5.20231110065716.07934587002230804313118925243512:50541109073638:2400:EC260075D73952A606867C08B778AB7955CEB49FF2C935CA9BADA77BA1956FF2.png",[],{"type":17,"tag":25,"props":324,"children":325},{},[326],{"type":17,"tag":29,"props":327,"children":328},{},[329],{"type":23,"value":330},"感谢以下开发者为版本做出的贡献：",{"type":17,"tag":25,"props":332,"children":333},{},[334],{"type":23,"value":335},"yufan, wengwenkang, xuxusheng, Damien Ngyuen, zhouxu, wangzidong, yangkang, lujiale, zhangzhenghai, fanyi, zhangwengang, wangkaisheng, zhoufeng, wangsiyuan, gongxiaoqing, chengxianbin, sunxiyin, wenwenkang, lvdingshun, cuijiangyu, chendiqing, zhangkai, Zotov Yuriy, liqin, zengjinglin, cuixiaopeng, 朱祎康, dorothy20212021, dsdsdshe, buyulin, norl-corxilea, herunhong, Arapat Ablimit, NoE, panshijie, longhanlin.",{"title":7,"searchDepth":337,"depth":337,"links":338},4,[],"markdown","content:news:zh:2865.md","content","news/zh/2865.md","news/zh/2865","md",1776506074699]