Recent content by PetradR

I went back to the original code I had at the start of the post - because I deleted to much. and destroyed all the work I had done. So back to where I began. :-( Cheer

Greetings Sorry a little confused here, what do you mean by explicit listing? Sorry not sure what you mean here, at the beginning of the post - I posted all the information of the program. I'm running windows and using Plato32 to compile. Used fortran95 manual for the program language. I...

I'm trying to nut out the problem and this is the error i received. Can you suggest someone on the forum who may be able to assist with this. I do appreciate your assistance, but I'm not getting anyway with this atm. Cheers

Greetings The only error I am getting when i run it is this, can you explain this part Compiling and linking file: Test.f95 (40) : error 564 - Number found where an operator was expected Compilation failed.

I understand the physics and the astronomy, all I am doing is to trying to organise the programing to run these equations. I can get the info to run, but some reason I'm getting more information than I need. It would be great if someone has a Fortran95 background and can run a quick eye over...

These are the five sets of data I should have so I can plot on an x y axis. I think I have more information than I need. I would be helpful - someone could tell me what I do and don't need in the code. d_L = S*(1 + z_max) !Eq. (29.184) in units of c/H_0 d_p0 =...

Hi there, I should have 5 columns of numbers to then plot on an x y axis. So all five sets of data should appear on the same graph at the end of the day. I'm okay with excel and doing the plot- i just need to generate the 5 columns of info. I should have quite a few numbers in each column -...

Greetings there I tested it on an online compiler and it gave me 7 lines of numbers..which I only need 5. I don't know what "print statements inside loops means"? I don't know "Or do you kill it?" means I don't know "can write to the same file or to another file. I suggest making a smaller...

Greetings I'm pretty much flying by the seat of my pants on this..using notes and manuals to try and nut this out. I should note that programming is not my thing, but the task is to try a simple program to answer a question. Yes, it will be zero (i think). I'm unfamiliar with debuggers and...

Hi my name is Petra I'm new to the forum. Cheers Petra

PROGRAM Test IMPLICIT NONE REAL, PARAMETER :: Omega_m0 = 0.27, Omega_rel0 = 8.24E-5, Omega_L0 = 0.73, Omega_0 = 1.02 REAL :: z_max, z, dz REAL :: I, g_z, g_zplus, S REAL :: d_p0, d_L, d_A, d_nr, d_r INTEGER :: n = 100000 OPEN(UNIT = 10) z_max = 0 DO WHILE (z_max <= 4.001) dz = z_max/n...