def fit_curve():
global data
fa = eyemath.fit_exp(data[0], data[1])
if fa != None:
pa = fa[1]
rc = abs(1.0 / pa[1])
g.line(data[0],fa[0],1)
dispmsg(_('RC = %5.2f mSec')%rc)
else:
dispmsg(_('Failed to fit the curve with V=Vo*exp(-t/RC)'))
def fit_curve():
global data
fa = eyemath.fit_exp(data[0], data[1])
if fa != None:
pa = fa[1]
rc = abs(1.0 / pa[1])
g.line(data[0],fa[0],1)
dispmsg(_('RC = %5.2f mSec')%rc)
else:
dispmsg(_('Failed to fit the curve with V=Vo*exp(-t/RC)'))
def fit_curve():
global data, running
if running == True or len(data[0])==0:
return
f = eyemath.fit_exp(data[0], data[1])
if f != None:
g.line(data[0], f[0], 1)
k = 1.38e-23 # Boltzmann const
q = 1.6e-19 # unit charge
Io = f[1][0]
a1 = f[1][1]
T = 300.0 # Room temp in Kelvin
n = q/(a1*k*T)
s = _('Fitted with Diode Equation : Io = %5.2e mA , Ideality factor = %5.2f')%(Io,n)
msg.config(text = s)
def fit_curve():
global data, running
if running == True or len(data[0]) == 0:
return
f = eyemath.fit_exp(data[0], data[1])
if f != None:
g.line(data[0], f[0], 1)
k = 1.38e-23 # Boltzmann const
q = 1.6e-19 # unit charge
Io = f[1][0]
a1 = f[1][1]
T = 300.0 # Room temp in Kelvin
n = q / (a1 * k * T)
s = _(
'Fitted with Diode Equation : Io = %5.2e mA , Ideality factor = %5.2f'
) % (Io, n)
msg.config(text=s)
def fit_curve():
global data
p.write_outputs(2) # Do some DC work to find the resistance of the Inductor
time.sleep(.5)
Rext = float(Res.get())
vtotal = 5.0 # Assume OD1 = 5 volts
v = p.get_voltage(2)
if v > 4.8: # Means user has connected OD1 to A2
vtotal = v
Vind = p.get_voltage(0) # voltage across the Inductor
i = (vtotal - Vind)/Rext
Rind = Vind/i
print v,Rind
fa = eyemath.fit_exp(data[0], data[1])
if fa != None:
pa = fa[1]
print pa
par1 = abs(1.0 / pa[1])
g.line(data[0],fa[0],1)
dispmsg(_('L/R = %5.3f mSec : Rind = %5.0f Ohm : L = %5.1f mH')%(par1, Rind, (Rext+Rind)*par1))
else:
dispmsg(_('Failed to Fit. Try fitting V=Vo*exp(-tR/L) with Xmgrace'))
def fit_curve():
global data
p.set_state(10,1) # Do some DC work to find the resistance of the Inductor
time.sleep(.5)
Rext = float(Res.get())
vtotal = 5.0 # Assume OD1 = 5 volts
v = p.get_voltage(3)
if v > 4.8: # Means user has connected OD1 to A2
vtotal = v
Vind = p.get_voltage(1) # voltage across the Inductor
i = (vtotal - Vind)/Rext
Rind = Vind/i
# print v,Rind
fa = eyemath.fit_exp(data[0], data[1])
if fa != None:
pa = fa[1]
# print pa
par1 = abs(1.0 / pa[1])
g.line(data[0],fa[0],1)
dispmsg(_('L/R = %5.3f mSec : Rind = %5.0f Ohm : L = %5.1f mH')%(par1, Rind, (Rext+Rind)*par1))
else:
dispmsg(_('Failed to Fit. Try fitting V=Vo*exp(-tR/L) with Xmgrace'))
