def plot_data(data,samples,stellarmod,gamma=0,beta=3,n=512): rc=np.percentile(samples[:,0],[16,50,84]) rt=np.percentile(samples[:,1],[16,50,84]) mtot=10**np.percentile(samples[:,2],[16,50,84]) t1=Tbetamodel(rc=rc[0],rt=rt[0],Mmax=mtot[0],gamma=gamma,beta=beta,n=n) t2=Tbetamodel(rc=rc[1],rt=rt[1],Mmax=mtot[1],gamma=gamma,beta=beta,n=n) t3=Tbetamodel(rc=rc[2],rt=rt[2],Mmax=mtot[2],gamma=gamma,beta=beta,n=n) m1=Multimodel(t1,stellarmod) m2=Multimodel(t2,stellarmod) m3=Multimodel(t3,stellarmod) j1=Jsolver(s.dens,s.sdens,m1.mass) j2=Jsolver(s.dens,s.sdens,m2.mass) j3=Jsolver(s.dens,s.sdens,m3.mass) r=np.linspace(0.,2.5,100) plt.errorbar(data[:,0],data[:,1],data[:,2],fmt='o') plt.plot(r,j1.vdisp(r)) plt.plot(r,j2.vdisp(r)) plt.plot(r,j3.vdisp(r)) plt.xlim(0,2.5) plt.savefig=('plot.pdf')
def lnlike(theta,x,y,yerr,stellarmod): rc,rt,Mtot,gamma,beta=theta t=Tbetamodel(rc=rc,rt=rt,Mmax=Mtot,gamma=gamma,beta=beta,n=512,use_c=True) totmodel=Multimodel(stellarmod,t) j=Jsolver(stellarmod.dens,stellarmod.sdens,totmodel.mass) teodisp=j.vdisp(x,mode='F',use_c=False) return -np.sum( ((y-teodisp)/(yerr))**2)
from OpOp.jsolver import Jsolver data=np.loadtxt('data.txt') samples=np.loadtxt('samples.txt') rc=np.percentile(samples[:,0],[16,50,84]) rt=np.percentile(samples[:,1],[16,50,84]) mtot=10**np.percentile(samples[:,2],[16,50,84]) print(mtot) t1=Tbetamodel(rc=rc[0],rt=rt[0],Mmax=mtot[0],gamma=1,beta=2,n=512) t2=Tbetamodel(rc=rc[1],rt=rt[1],Mmax=mtot[1],gamma=1,beta=2,n=512) t3=Tbetamodel(rc=rc[2],rt=rt[2],Mmax=mtot[2],gamma=1,beta=2,n=512) mtots=5e7 s=Sersic(0.71,0.581,mtots) m1=Multimodel(t1,s) m2=Multimodel(t2,s) m3=Multimodel(t3,s) j1=Jsolver(s.dens,s.sdens,m1.mass) j2=Jsolver(s.dens,s.sdens,m2.mass) j3=Jsolver(s.dens,s.sdens,m3.mass) r=np.linspace(0.,2.5,100) plt.errorbar(data[:,0],data[:,1],data[:,2],fmt='o') plt.plot(r,j1.vdisp(r)) plt.plot(r,j2.vdisp(r)) plt.plot(r,j3.vdisp(r)) plt.xlim(0,2.5) plt.show()
plt.plot(r,j3.vdisp(r)) plt.xlim(0,2.5) plt.savefig=('plot.pdf') t=Tbetamodel(rc=3.5,rt=6,Mmax=3.05e9,gamma=0,beta=3,n=512) t2=Tbetamodel(rc=28.4,rt=36.4,Mmax=1.89e10,gamma=1,beta=3,n=512) mtots=5e7 s=Sersic(0.71,0.581,mtots) m=Multimodel(t,s) m2=Multimodel(t2,s) r=np.logspace(np.log10(0.01),np.log10(2),20) m=Multimodel(t,s) j=Jsolver(s.dens,s.sdens,m.mass) a=j.vdisp(r,mode='F') out=np.zeros((len(a),3)) out[:,0]=r noise=np.random.normal(scale=0.5,size=len(a)) out[:,1]=a+noise out[:,2]=noise plt.errorbar(out[:,0],out[:,1],out[:,2],fmt='o') np.savetxt('data.txt',out) def lnlike(theta,x,y,yerr,stellarmod): rc,rt,Mtot,gamma,beta=theta t=Tbetamodel(rc=rc,rt=rt,Mmax=Mtot,gamma=gamma,beta=beta,n=512,use_c=True)