Originchia s liu thnh cc ct, c th cha ti vi chc ct v vi chc dng s liu. Mi ct s liu l mt trng. a s liu trongOrigin, ta c th thc hin bng cchPastes liu t mt file s liu, hay typing bng tay tng s, hay l chuyn nghip hn l vo menuFile, chnImport.., sau chnImport Wizard

Cch c s liu trong Origin__________________

Tnh nng hay s dng nht caOriginl v th. v th, trc tin cn np s liu vo cc bng s liu. Sau , ta vomenu Plot, chn cch v m mnh mun.Origincung cp rt nhiu cch v th khc nhau, rt a dng. C c v th khng gian 2 chiu v khng gian 3 chiu. y chnh l mt im mnh caOrigin.

V th trong Origin

Sau khi chn cch v thch hp, bn s phi chn cc ct tng ng vi cc trc ta (ct no l X, ct no l Y...).Origincho php v nhiu th trn mt hnh, v 2 ct Y....

Chn cc trc ta

Mt th thng thng mi v trongOrigins c dng nh di y, tn cc ct, cc thang chia, cc gii hn c t ng chn

th dng th

th bn va quan st ch l dng th, ta c th chnh sa cc khung ca th, tn cc trc, gii hn thang o, mu sc khung ta ... sao cho p hn.Originc cung cp tnh nng ny, ch n gin bng cch click chut vo mt trc bt k, s hin ra ca s iu chnh, ty theo bn:

iu chnh khung ta

S lc v iu chnh nh sau:- ThScale iu chnh gii hn cc trc, bc chia s liu- ThTitle & Formatlin quan n tn cc trc, mu sc cc s liu trn cc trc (chia thnh cc khungBottom, Top, Left, Right..)- ThGrid Lines v li- ThBreak: v trc t di (khi c cc s liu khc nhau qu ln)- ThTick Label: Lin quan n iu chnh v mu sc, font ch ca cc s hin trn cc trc- ThMinor Tick Label: cc vch chia nh- ThCustum Tick Label: Ty bin vch chia theo mun

iu chnh mu sc, kiu im v .. ca ng cong th, ta nhy kp chut vo th v s hin ra ca s iu chnh th

- ThLine: iu chnh v mu sc, rng.. ca ng th- ThSymbol: Dng chn kch thc, hnh dng, mu sc im v

Tnh nng x l tnh ton ca OriginV th p ch l 1 kh nng caOrigin, mt kh nng mnh khc caOriginl kh nng x l tnh ton nh: khp hm, tnh o hm, tch phn s, lm mn, trn s liu (smooth), tnh ton, dch chuyn cc nh, cc cc tr.-Tnh nng khp hm:Tnh nng khp hm caOriginnm menuAnalysis,

Th vinOrigincung cp cc hm sn, hoc c th do ngi dng t nh ngha:+Fit Linear: khp theo hm tuyn tnh bng phng php bnh phng ti thiu+Fit Polynomial: khp hm a thc (bnh phng ti thiu)+Fit Exponential Decay (first order, second order, third order): Fit theo hm phn r+Fit Exponential Growth: fit hm lu tin (kiu exp tng tin)+Fit Gauss: Khp hm phn bGauss+Fit multipeak (Gauss, Lorenzt): khp theo cc hm a peak, phn b theo quy lutGausshocLorent+Fit sigmoidal: Khp theo hm phn bBoltzmann+Non-Linear curve fit: Khp hm phi tuyn, ngi dng t nh ngha cc hm phi tuyn v cc iu kin ban u__________________

Ni thm v Non-linear Curve Fity l chc nng rt mnh caOrigintrong vic khp cc hm phi tuyn do ngi dng t nh ngha. Nu bn no mun tm hiu k dng, nn c gng khm ph tnh nng ny. Khi vo menu ny, bn s phi vo 1 trong 2 menu con:-Advan Fitting Tool: dng nh ngha cc iu kin ban u, fit n gin theo cc hm nh trc

-Fitting Wizard: Qu trnh khp hm phi tuyn: t vic chn vng s liu, chn hm, chn kiu...

Ngi dng s thc hin tng bc qua lu m t trn ca s+Select Data: Chn s liu+Select Function: Chn, nh ngha hm+Weiting: Bc, cn thc+Fitting tool: cng c khp+Result: Kt qu__________________

Bc vo trang ch ca Origin tm th xem. N c mt s plug in cho php lm vy. Em cng tng down ri, nhng cha dng th bao gi. Bc no dng Origin 8, em ang s dng nhng cha thy c g mi c, chc ti em dng ton ci c bn.

Trch:

Nguyn vn biVn l c hnh

Origin khng c chc nng (hoc l em khng bit), nhng bc c th dng phn mm khc.Em Recommend bc dng DigitizeIt, ci ny dng kh d.http://rapidshare.com/files/93762611...zeIt_1.5.8.rar

Cho mnh hi cht : khi dng phn mm digitizeIt th chnh xc ca n mnh c phi quan tm ti nhiu khng ?

bn i cho mnh hi : khi mnh v xong th , gi s th dng XY , by gi mnh c 1 gi tr x mnh mun tm gi tr y th lm th no

Th ni suy. Hoc n gin nht, l pht ci b s liu mnh c vi mt ci a thc (bc cng cao cng tt, ty k v hon cnh, yu cu...), th l c mt hm gii tch, xong c th thch g trong ci on th c lp gi tr ca bin vo thi.

@bc VLH: bc t k li em xem ci phn mm g m ng ng con trn nh m li ra c c hm, c th th no. V d, em c ci nh con gi mc bikini, vng mng rt cong, em cho vo, th ra c hm , bc t c th t em xem, i n bc.__________________

Ai lm n ch gim mnh cch tnh tng (hoc tnh trung bnh) tt c cc gi tr trong mt ct s liu, bng phn mm Origin. Mnh tm mi khng thy hm Sum hoc Average trong Origin?

Thanks

OK tm ra ri, bi en ct ri n vo Statistics on Columns.

Trch:

Nguyn vn bingoclinh84phys

Cho cc c,Em ang c gng s dng cng c nonlinear curve fitting trong origin 6.0 cho bng s liu ca em theo mt hm em chn sn. Nhng c mt s ch em vn cn rt nhiu thc mc v d nh:- Vic khai bo thng s ban u cho cc parameters l lm g nh?- Trong bc fit, em vn khng hiu chc nng Chi-Srq, 1lter, 10 lter, v 10 simplex lter l lm g nh?Bc no bit r v chc nng ny, post ln hng dn c th tng bc cho p con hc hi vi.

Thng em ln u tham gia din n.

Khi bn fit hm phi tuyn, phi c gi tr thng s ban u. l cc tham s c xc nh gn ng ban u (thng bng vic xp x tuyn tnh) v t xc nh tham s fit chnh xc bng fit phi tuyn.

Ty vo mi dng th m c cch fit hay sao cc anh, em ko hiu lm v cch fit trong XRD v VSM, gii thch dm em nh.Cm n cc bc rt nhiu, chc vui!

Fit trong XRD va trong VSM la sao?Trong XRD th nu khp ph tnh bn rng th fit theo hm gauss (fit single peak hoc multipeak)Cn VSM th c hng t ng cong, lm sao m c 1 cch c. Nu ng cong t tr th u c dng hm i s m t n u, n ph thuc vo tng m hnh hay c ch tr m ta fit. V d nu o t ha ca mu siu thun t th khp theo hm Langevin, hoc nu ng tr rng th c th c mt s m hnh ton hc khp, v d nh Peicharch (ko nh chnh xc tn) cho cc qu trnh tr ch lm sao c dng hm ton hc c.

Chng l do ny lm chung nhm thc nghim nn tin th my m Origin. Cc bc cho hi mun v hnh 3D, contour, hay 3D quivers bng origin th lm th no. Data file phi format kiu g. T thng v nhng hnh nh th trong gnuplot hoc matlab, hai ci ny c data file cng 1 nh dng nh nhau. Nhng dng nh Origin th khc?

Origin requires bc phi a data vo trong workbook ca chng trnh (tng t nh kiu Excel) v thc hin chc nng x l trn . Data import c c th l kiu text (tab, space determined), hoc ASCII