at some point you probably entered something like: sum = 5 from that point on, sum refers to 5, rather than the Base.sum function.
you could restore it by typing sum = Base.sum or just restart On Mon, May 18, 2015 at 11:37 AM James Byars <[email protected]> wrote: > Thank you. I said this in the post below, but is this an issue with Julia > going forward? The need to restart. > > > On Monday, May 18, 2015 at 10:50:28 AM UTC-4, Kristoffer Carlsson wrote: > >> This works for me, both in Julia 0.3 and 0.4 >> >> julia> function fib_sum_2(x,y,z) >> sum(x:x:z) + sum(y:y:z) - sum(lcm(x,y):lcm(x,y):z) >> end >> fib_sum_2 (generic function with 1 method) >> >> >> julia> fib_sum_2(3,5,999) >> 233168 >> >> What happens if you restart Julia and try again? >> >> >> >> >> >> On Monday, May 18, 2015 at 4:34:11 PM UTC+2, James Byars wrote: >>> >>> Hello all, >>> >>> I am an education doctoral student who is a self-taught stats and >>> programming person. My primary coding and stats experience is with R. I >>> have started to attempt Julia and was using the Project Euler questions as >>> a way to teach myself the language structure, types, and specifying >>> functions. I have been really drawn to Julia because of all the great >>> conversations about the language on the YouTube channel. There have been >>> several great repositories that share coding examples for each of the >>> problems (although Project Euler wants everybody to do it on their own) >>> which have been tremendously helpful. >>> >>> One of the proposed solutions for Problem #1 have this structure: >>> println(sum(3:3:999) + sum(5:5:999) - sum(15:15:999)) >>> >>> I am trying to make a function of this type of problem so I am not >>> bounded by specifying each number every time. So I adapted the solution to >>> the following format: >>> >>> *function fib_sum_2(x,y,z)* >>> * sum(x:x:z) + sum(y:y:z) - sum(lcm(x,y):lcm(x,y):z)* >>> *end* >>> >>> However, when I try to run the function (fib_sum_2(3,5,999)) I get the >>> following error: >>> >>> *type: fib_sum_2: in apply, expected Function, got Int64 >>> while loading In[140], in expression starting on line 1 >>> >>> in fib_sum_2 at In[137]:2* >>> >>> >>> I did attempt to google this problem, but still could not find a source >>> that really explained the problem. I understand that this is a really >>> newbie question and thank you to everyone for their patience and any >>> assistance. If anybody can correct my error or provide resources that might >>> help me with future Euler Project problems that would be great. I feel that >>> I am missing something terribly easy with Julia, but thank you all for any >>> help. Also, I am using IJulia for reference. If I have posted this question >>> in error, can anybody direct me to the right forum? >>> >>> >>> With Regards, >>> >>> >>> James >>> >>>
