A为实对称可逆矩阵,把二次型f=xTAx化为f=yTA^(-1)y的线性变换是x=...
令 X=A^-1Y
因为A是实对称矩阵
所以 (A^-1)^T = (A^T)^-1 = A^-1.
则 f = X^TAX = Y^T (A^-1)^T A A^-1 Y = Y^TA^-1Y
开眼审核结果在哪看
会有通知的,在信息通知那里可以看,审核不过一般是提问或者回答的内容中存在违禁词或词组,又或者是语句意思违规,涉及黄赌毒,暴力等等内容的都是不通过的,还有就是一些带有煽动性的不实内容等都会审核不通过。
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会有通知的,在信息通知那里可以看,审核不过一般是提问或者回答的内容中存在违禁词或词组,又或者是语句意思违规,涉及黄赌毒,暴力等等内容的都是不通过的,还有就是一些带有煽动性的不实内容等都会审核不通过。会有通知的,在信息通知那里可以看,审核不过一般是提问或者回答的内容中存在违禁词或词组,又或者是语句意思违规,涉及黄赌毒,暴力等等内容的都是不通过的,还有就是一些带有煽动性的不实内容等都会审核不通过。...全文
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你指的是百度知道有奖抢单么?你点击首页有奖抢单页面,然后在上面有你的会员名,会员名旁边有一个奖励与评价应该是,然后你点击那里就会看见,有些正在审核中,有些审核没通过,有些已经有奖励了...全文
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RBA验厂审核结果来说,分为:绿色、和红色三种结果:(1)获得绿色的要求是没有主要不符合项问题并且总体的符合百分比≥85%,(2)获得的要求是只有获得1至2个主要不符合项或总体符合百分比为 85%》X≥65%,(3)获得红色则说明有3个或以上主要不符合或总体符合百分比<65%。总体审核颜色等级:GREEN绿:180分以上;Yellow黄:160以上到180分; Red红:160分及以下。RBA证书等级:铂金:200分,且所有问题整改; 黄金:180分以上,且PI和Major问题均已整改;银:160分及以上,且PI已整改。注意:此认证三个等级分类只针对VAP审核,不可以是CMA/AMA审核。更…...全文
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在哪里能看到审核通过或者没通过呢?那不是就动不动显示的,就是正在审核中都审核通过发信息自己就通知你了
hart协议手操器的支持设备种类
HHT型手操器已支持HART设备种类清单:
HHT型手操器目前已支持九十多个厂商的两百多种HART 智能设备。下表列举了其中
部分仪表厂商的HART 智能设备型号。 设备制造商 设备型号 设备类型 ABB PTH Pressure TB82PH pH Analytical TEU 211 Temperature TS 11 Temperature AS800 Pressure TS 11 Temperature TZID Valve FSM4000 Flow 2600T-268 Pressure KST Temperature 263/265,2000T Pressure ACCUTECH PRESS/DP XMTR Pressure AI1500 Temperature Ametek NEWTHERMOX Analytical Analytical Technology Inc. D12 Analytical Anderson Instrument Company ANDRSN1 Pressure Apparatebau Hundsbach MT115 Temperature Badger Meter Primo Advanced Flow BERTHOLD LB491 Analytical LB460 Level Bopp & Reuther Messtechnik UMC2 Flow DIMF Analytical Bourdon Haenni FLEXBAR 3501 Pressure FLEXTOP HRT Temperature Brooks Instrument TRI20 Flow BTG HCM-8000 Analytical Det-Tronics X3301 Analytical Draeger Polytron 7000 Analytical Duon System APT3200 Pressure Dynisco IPXII Pressure Endress & Hauser TMT182 Temperature TMT142 Temperature TMD832 Temperature MyPro pH Analytical FMU860 Level CERABS /Cerabar S Pressure PROMAG33 Flow TMT182 Temperature FINT PIR 2000 Analytical Fisher Controls DVC6000 Valve DVC2000 Valve Fluid Components ST98 Flow Foxboro I/A PRESSURE Pressure IMV 25/30 Pressure IMT25 Flow FOXBORO ECKARDT TSV175 Temperature DMU130 Pressure SRD991 Valve Fuji FCX-A/C Pressure FRC Temperature General Monitors, Inc. IR4000M Analytical IR400 Analytical FL4000 Analytical S4000CH Analytical S4000TH Analytical GP:50 MDL 400 Pressure HACH LANGE SI792P Analytical Harold Beck and Sons, Inc. ESR-D Valve Hengesbach TE 52 Temperature Honeywell ST3000 Pressure STT25T Temperature HWFLOW/Mage W Plus Flow Huakong HK TT01 Temperature INOR MESO Temperature Kajaani Process Measurements KC/3 Analytical Klay Instruments Klay 2000 Pressure/Level Pressure Knick 2211 CondI Analytical Kongsberg Maritime GT400 Pressure KOSO EP1000/SPS2000 Valve Krohne IFC 300 Flow ESKII Flow BM70 Level LABOM PASCAL CI Pressure Lanlian Instruments LSIII Pressure Pressure Magnetrol Model TA2 Flow Masoneilan-Dresser SVI II ESD Valve HDLT Level Metso Automation MCAi Analytical PSMART Pressure Mettler Toledo CondI7100 Analytical Micro Motion MVD Series 1000 Analog Output Flow MVD Series 1000 Config I/O Flow MVD Series 1000 IS Output Flow MVD Series 2000 Analog Output Flow MVD Series 2000 Config I/O Flow MVD Series 2000 IS Output Flow 9739 Mass flo Flow M-System Co. B6U Temperature Ohmart DSTH/LSTH Level Oval ULTRAOVAL Flow Panametrics x868 Flow Paper Machine Components SMT-EL Pressure Ohmart DSTH/LSTH Level Oval ULTRAOVAL Flow Panametrics x868 Flow Paper Machine Components SMT-EL Pressure PEPPERL+FUCHS CorrTran Analytical Phase Dynamics Analyzer Analytical Phoenix_Contact MCR-TS-LP Temperature PMV D3 Valve PR Electronics T55 Temperature PRIME Measurement Products 343 Temperature 330 Pressure Pyromation Inc. Series442 Temperature Rosemount Vortex Flow 3300 Level 3095C Level 8800D Flow 248 Temperature Temperature 8732 Flow 1151 Pressure 3051C Pressure Vortex Flow 3095MV Flow 644 Temp Temperature 2088 Smart Pressure 5400 Level 3144P SIS Temperature Rosemount Analytic 2081 pH Analytical Rueger S95 HRT Temperature Saab Tank Control 5600 Level Satron Instruments V-series Pressure SIC PES Pressure HVP1114 Valve FLOW MASTER Flow SICK MAIHAK FLOWSIC 600 Flow Siemens SITRANS P HS Pressure SITRANS P DSIII Pressure SITRANS FUS Flow SITRANS LR Level SITRANS TW Temperature SITRANS TH300 Temperature Siemens Milltronics PI 86x PROBE Level SITRANS LR300 Level LR 200 Level Sitrans Probe LU 12m Level Probe LR Level MSP2002 Level SIPAI DDY Pressure SDDY Pressure Smar LD301 Pressure TT301 Temperature DT301 Analytical SMC IP8101 Valve Sparling Instruments FM6XX Flow Status Instruments SEM 300 Temperature Thermo Measure Tech 4790 Level 3680 Dens Analytical NDMi Analytical TOKYO KEISO FW-9000 Level Toshiba LF220 Flow AP3100 Pressure TRACERCO PRI-150 Level Turbo Intermag-Transmag Flow Tyco Valves & Controls SmartCal Valve VEGA Puls68 Level Viatran 970 Pressure WELLTECH SHANGHAI WT2000 Pressure Westlock Controls ICOT Valve WIKA UniTrans Pressure T32 Temperature Yamatake MagneW Flow ST3000 Pressure SVP Valve ThermoPlus ATT Temperature Yokogawa YTA70E Temperature DYF Flow RAMC Flow RCCT_F3 Flow ADMAG SE Flow YTA70E Temperature YTA Temperature DYF Flow ZR202 Analytical YEWFLO Flow YT200 Temperature UNICOM Pressure EJA Pressure ADMAG AE Flow YTA Temperature EJX Pressure YTA Temperature AXFA11 Flow AXFA14 Flow
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matlab程序出错: Error using ==> diff Difference order N must be...
diff Difference order N must be a positive integer scalar.,
diff微分的阶数必须为正整数。
不过我的matlab运行的错误提示不是这个
你的程序给的不全?