Thanks for the help. That was the problem. I guess I'd been looking at it so long I missed that. The error message wasn't helping me either.
Chris Smith Geoframer wrote: > The main problem from what i can tell is that the number of '(' and ')' > you use in declarations (and maybe even functions) are not correct. > > Take for instance : > > u0prime = beta*(sqrt(d**2 +(h +length1)**2) - h +length1)) > > You open 3 '(' and close 4 ')' . > > The problem is not the little test code at the end (as you illustrated > yourself by moving it up and getting a different error). > The "Token Error: EOF in multi-line statement" usually means you made an > error using too many or too little ()'s. > > I suggest carefully re-examining your code and check if everything is > entered correctly using the right amount of ()'s ;-) > > Hope this helps some. > > Ciao - Geofram > > On 10/7/06, *Chris Smith* <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> > wrote: > > I'm writing a numerical program for an assignment at school. So the code > of my program isn't too long I've coded the formulas, which are rather > long, as funcions. However when I try to run my program I keep getting > one of two errors. The first happens when I do a test run of my code > with the test portion of the code at the bottom. It keeps popping up an > error message that says that my import statement is spaced incorrectly. > It's not supposed to be indented at all and I can't figure out why it's > popping up at all. If I try moving the test portion of the code up to > the top it gives me "Token Error: EOF in multi-line statement". I don't > understand this one because I try to have the last line be the one with > the return statement of my last function and when the error happens it > adds a line to my code and the error pops up. > > Can anyone tell me why I'm having these error or what I can do to get > around them? > > Chris Smith > > > #Functions for Numerical Program > #---------------------------------- > ### The sine and cosine integrals are taken from Abramowitz and Stegun. > ### Only use the first 6 terms of the summation in the sine and cosine > ### integrals. > > > def Si(x): > sine_integral = x - x**3/18. + x**5/600. - x**7/35280. \ > + x**9/3265920. + x**11/439084800. > return sine_integral > > def Ci(x): > # Euler's constant > Euler_const = 0.5772156649 > > cosine_integral = Euler_const + log(x) - x**2/4. + x**4/96. \ > - x**6/4320. + x**8/322560. + x**10/36288000 > return cosine_integral > > > def Mutual_impedance(length1, length2, stagger, d): > """ > Mutual impedance formulas for Parallel in Echelon Configuration > The formulas are taken from a paper by Howard King, "Mutual > Impedance > of Unequal Length Antennas in Echelon" > > NOTE: all measurements should be entered in wavelengths > """ > > # stagger (this is the vertical separation between antenna centers) > # d (this is the horizontal separation between the antennas) > # length1 and length2 (this is the half length of the antennas) > > # vertical separation between center of antenna 1 and bottom of > antenna 2 > h = stagger - length2 > > # wave propagation constant and eta > beta = 2*pi > > # formulas to put into mutual impedance equation > u0 = beta*(sqrt(d**2 +(h -length1)**2) +(h -length1)) > v0 = beta*(sqrt(d**2 +(h -length1)**2) -(h -length1)) > u0prime = beta*(sqrt(d**2 +(h +length1)**2) - h +length1)) > v0prime = beta*(sqrt(d**2 +(h +length1)**2) +(h +length1)) > u1 = beta*(sqrt(d**2 +(h -length1 +length2)**2) +(h > -length1 +length2)) > v1 = beta*(sqrt(d**2 +(h -length1 +length2)**2) - h > -length1 +length2)) > u2 = beta*(sqrt(d**2 +(h +length1 +length2)**2) -(h > +length1 +length2)) > v2 = beta*(sqrt(d**2 +(h +length1 +length2)**2) +(h > +length1 +length2)) > u3 = beta*(sqrt(d**2 +(h -length1 +2*length2)**2) +(h > -length1 +2*length2)) > v3 = beta*(sqrt(d**2 +(h -length1 +2*length2)**2) -(h > -length1 +2*length2)) > u4 = beta*(sqrt(d**2 +(h +length1 +2*length2)**2) -(h > +length1 +2*length2)) > v4 = beta*(sqrt(d**2 +(h +length1 +2*length2)**2) +(h > +length1 +2*length2)) > w1 = beta*(sqrt(d**2 +h**2) -h) > y1 = beta*(sqrt(d**2 +h**2) +h) > w2 = beta*(sqrt(d**2 +(h +length2)**2) -(h +length2)) > y2 = beta*(sqrt(d**2 +(h +length2)**2) +(h +length2)) > w3 = beta*(sqrt(d**2 +(h +2*length2)**2) -(h +2*length2)) > y3 = beta*(sqrt(d**2 +(h +2*length2)**2) +(h +2*length2)) > > R12 = 15*(cos(beta*(length1 - h))*(Ci(u0) +Ci(v0) -Ci(u1) > -Ci(v1)) \ > +sin(beta*(length1 - h))*(-Si(u0) +Si(v0) +Si(u1) > -Si(v1)) \ > +cos(beta*(length1 + h))*(Ci(u0prime) +Ci(v0prime) > -Ci(u2) -Ci(v2)) \ > +sin(beta*(length1 +h))*(-Si(u0prime) +Si(v0prime) > +Si(u2) -Si(v2)) \ > +cos(beta*(length1 -2*length2 -h))*(-Ci(u1) -Ci(v1) > +Ci(u3) +Ci(v3)) \ > +sin(beta*(length1 -2*length2 -h))*(Si(u1) -Si(v1) > -Si(u3) +Si(v3)) \ > +cos(beta*(length1 +2*length2 +h))*(-Ci(u2) -Ci(v2) > +Ci(u4) +Ci(v4)) \ > +sin(beta*(length1 +2*length2 +h))*(Si(u2) -Si(v2) > -Si(u4) +Si(v4)) \ > +2*cos(beta*length1)*cos(beta*h)*(-Ci(w1) -Ci(y1) > +Ci(w2) +Ci(y2)) \ > +2*cos(beta*length1)*sin(beta*h)*(Si(w1) -Si(y1) > -Si(w2) +Si(y2)) \ > +2*cos(beta*length1)*cos(beta*(2*length2 +h))*(Ci(w2) > +Ci(y2) -Ci(w3) -Ci(y3)) \ > +2*cos(beta*length1)*sin(beta*h*(2*length2 > +h))*(-Si(w2) +Si(y2) -Si(w3) +Si(y3))) > > X12 = 15*(cos(beta*(length1 - h))*(-Si(u0) -Si(v0) +Si(u1) > +Si(v1)) \ > +sin(beta*(length1 - h))*(-Ci(u0) +Ci(v0) +Ci(u1) > -Ci(v1)) \ > +cos(beta*(length1 + h))*(-Si(u0prime) -Si(v0prime) > +Si(u2) +Si(v2)) \ > +sin(beta*(length1 +h))*(-Ci(u0prime) +Ci(v0prime) > +Ci(u2) -Ci(v2)) \ > +cos(beta*(length1 -2*length2 -h))*(Si(u1) +Si(v1) > -Si(u3) -Si(v3)) \ > +sin(beta*(length1 -2*length2 -h))*(Ci(u1) -Ci(v1) > -Ci(u3) +Ci(v3)) \ > +cos(beta*(length1 +2*length2 +h))*(Si(u2) +Si(v2) > -Si(u4) -Si(v4)) \ > +sin(beta*(length1 +2*length2 +h))*(Ci(u2) -Ci(v2) > -Ci(u4) +Ci(v4)) \ > +2*cos(beta*length1)*cos(beta*h)*(Si(w1) +Si(y1) > -Si(w2) -Si(y2)) \ > +2*cos(beta*length1)*sin(beta*h)*(Ci(w1) -Ci(y1) > -Ci(w2) +Ci(y2)) \ > +2*cos(beta*length1)*cos(beta*(2*length2 +h))*(-Si(w2) > -Si(y2) +Si(w3) +Si(y3)) \ > +2*cos(beta*length1)*sin(beta*h*(2*length2 > +h))*(-Ci(w2) +Ci(y2) -Ci(w3) +Ci(y3))) > > mut_imp = complex(R12, X12) > return mut_imp > > from math import * > length1 = 0.45 > length2 = 0.65 > stagger = 0.1 > d = 0.2 > > impedance = Mutual_impedance(length1, length2, stagger, d) > print impedance > > > _______________________________________________ > Tutor maillist - Tutor@python.org <mailto:Tutor@python.org> > http://mail.python.org/mailman/listinfo/tutor > > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Tutor maillist - Tutor@python.org > http://mail.python.org/mailman/listinfo/tutor _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor