Import data - · PDF fileFunzioni trigonometriche di matlab hanno in input angoli in...
Transcript of Import data - · PDF fileFunzioni trigonometriche di matlab hanno in input angoli in...
![Page 1: Import data - · PDF fileFunzioni trigonometriche di matlab hanno in input angoli in radianti. Conversione gradi-radianti: xrad=x*2*pi/360 xrad2=deg2rad(x) Matrices and vectors:](https://reader030.fdocuments.in/reader030/viewer/2022020715/5a788ba57f8b9a852c8c4ec5/html5/thumbnails/1.jpg)
Import data
![Page 2: Import data - · PDF fileFunzioni trigonometriche di matlab hanno in input angoli in radianti. Conversione gradi-radianti: xrad=x*2*pi/360 xrad2=deg2rad(x) Matrices and vectors:](https://reader030.fdocuments.in/reader030/viewer/2022020715/5a788ba57f8b9a852c8c4ec5/html5/thumbnails/2.jpg)
What you can do, how, correct syntax for functions…
![Page 3: Import data - · PDF fileFunzioni trigonometriche di matlab hanno in input angoli in radianti. Conversione gradi-radianti: xrad=x*2*pi/360 xrad2=deg2rad(x) Matrices and vectors:](https://reader030.fdocuments.in/reader030/viewer/2022020715/5a788ba57f8b9a852c8c4ec5/html5/thumbnails/3.jpg)
Funzioni trigonometriche di matlabhanno in input angoli in radianti.
Conversione gradi-radianti:
xrad=x*2*pi/360xrad2=deg2rad(x)
Matrices and vectors:
Is1: 1x20 vettore rigaMatrice: A=[Is1; Is2; Is3] dimensione 3X20B=[Is1’ Is2’ Is3’] dimensione 20x3
A==B’ apice: trasposizione
IsMEDIA=mean([Is1; Is2; Is3]) 1x20IsMEDIA=mean([Is1' Is2' Is3’]’) 1x20IsMEDIA=mean([Is1' Is2' Is3'],2) 20x1IsMEDIA=mean([Is1' Is2' Is3']) 1x3
Err=(max(A)-min(A))/2
![Page 4: Import data - · PDF fileFunzioni trigonometriche di matlab hanno in input angoli in radianti. Conversione gradi-radianti: xrad=x*2*pi/360 xrad2=deg2rad(x) Matrices and vectors:](https://reader030.fdocuments.in/reader030/viewer/2022020715/5a788ba57f8b9a852c8c4ec5/html5/thumbnails/4.jpg)
Plotting data
figure(1); scatter(xrad,Is1);hold on;scatter(xrad,Is2);hold on;scatter(xrad,Is3)
figure(1); plot(xrad,IsMEDIA,’o’) errorbar(xrad,IsMEDIA,Err, ’.’)
![Page 5: Import data - · PDF fileFunzioni trigonometriche di matlab hanno in input angoli in radianti. Conversione gradi-radianti: xrad=x*2*pi/360 xrad2=deg2rad(x) Matrices and vectors:](https://reader030.fdocuments.in/reader030/viewer/2022020715/5a788ba57f8b9a852c8c4ec5/html5/thumbnails/5.jpg)
Fitting data: cftool
FitSave to workspace it creates three objectsfittedmodel =
General model:fittedmodel(x) = a*cos(x-b)^2 +cCoefficients (with 95% confidence bounds):a = 1.012 (0.969, 1.054)b = -0.01514 (-0.03805, 0.007769)c = 0.004618 (-0.02402, 0.03326)
![Page 6: Import data - · PDF fileFunzioni trigonometriche di matlab hanno in input angoli in radianti. Conversione gradi-radianti: xrad=x*2*pi/360 xrad2=deg2rad(x) Matrices and vectors:](https://reader030.fdocuments.in/reader030/viewer/2022020715/5a788ba57f8b9a852c8c4ec5/html5/thumbnails/6.jpg)
Fittedmodel can be used as a function:
x=linspace(-0.5,3.5,1000)f=fittedmodel(x)Figure(1);hold on;plot(x,f)
figure(1);hold on; fplot(@(x)fittedmodel(x),[-0.8 3.8])
![Page 7: Import data - · PDF fileFunzioni trigonometriche di matlab hanno in input angoli in radianti. Conversione gradi-radianti: xrad=x*2*pi/360 xrad2=deg2rad(x) Matrices and vectors:](https://reader030.fdocuments.in/reader030/viewer/2022020715/5a788ba57f8b9a852c8c4ec5/html5/thumbnails/7.jpg)
Specific rotation