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Fr0sty
Member
Joined: 27 Nov 2003
Posts: 202
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 Posted: 16 Apr 2004 08:11:40 pm Post subject: |
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What's going on here?
I have a quadratic program that I had to add a subroutine into and now it's messing up my main program.
I had too many variables in use so before I put in my subroutine I put A->L1(1) B->L1(2) etc.
But after the subroutine is completed and it goes L1(1)->A L1(2)->B etc., it makes the variables A and B complex variables.
I look at the variables and their value seems to be whatever they were originally, but their status is "Complex" and not "Real". They're not like "3i" or "4+2i", they're like "3" and "-4". Why are they now complex and how can I fix this?
I can't work with them now that they're complex; I wanted to do a Text( command and it wouldn't work; I can't even do a D>0 command! Any way to fix this? |
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Darth Android
DragonOS Dev Team
Bandwidth Hog
Joined: 31 May 2003
Posts: 2104
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| Posted: 16 Apr 2004 09:42:13 pm Post subject: |
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hmm, well, make sure your calc is in "Real" mode, it will give an error when it first starts parsing complex numbers, i think
also, im not sure if you are trying to use i as a var, bucause that would be your problem right there. post some code and maybe we can help. |
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Fr0sty
Member
Joined: 27 Nov 2003
Posts: 202
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| Posted: 16 Apr 2004 09:53:25 pm Post subject: |
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| I set it to complex mode because it's a quadratic program. I suppose I can set it to real mode during that one specific routine, but I don't know if it'll help. Also, I'm not trying to set i as a varaible, I'm saying that i is NOT in the variable yet it still lists the variable as complex. I'll post the code later if I can't figure out what's wrong. |
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DarkerLine
ceci n'est pas une |
Super Elite (Last Title)
Joined: 04 Nov 2003
Posts: 8328
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| Posted: 17 Apr 2004 10:14:25 am Post subject: |
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Insert the following in your code:
Code:
If not(imag(var
real(var -> var
where var is what's causing the problem. |
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Fr0sty
Member
Joined: 27 Nov 2003
Posts: 202
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| Posted: 17 Apr 2004 01:59:46 pm Post subject: |
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| Is Imag( and Real( in the catalog? |
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Brazucs
I have no idea what my avatar is.
Super Elite (Last Title)
Joined: 31 Mar 2004
Posts: 3349
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| Posted: 17 Apr 2004 02:47:20 pm Post subject: |
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Fr0sty wrote: Is Imag( and Real( in the catalog?
Yip |
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sgm
Calc Guru
Joined: 04 Sep 2003
Posts: 1265
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| Posted: 17 Apr 2004 03:31:22 pm Post subject: |
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| They're also in the MATH / CPLX menu. |
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DarkerLine
ceci n'est pas une |
Super Elite (Last Title)
Joined: 04 Nov 2003
Posts: 8328
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| Posted: 17 Apr 2004 03:53:46 pm Post subject: |
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| Note there is no way to optimise that since 0+0i is not the same as 0. |
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Fr0sty
Member
Joined: 27 Nov 2003
Posts: 202
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| Posted: 18 Apr 2004 11:44:48 am Post subject: |
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I got it to work just doing it like: real(L1(1->A
Hopefully it works like it should, but at least there's no more errors  |
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DarkerLine
ceci n'est pas une |
Super Elite (Last Title)
Joined: 04 Nov 2003
Posts: 8328
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| Posted: 18 Apr 2004 11:52:09 am Post subject: |
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| But if the variable is supposed to be complex, like 1+i, that will change it to 1. |
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Fr0sty
Member
Joined: 27 Nov 2003
Posts: 202
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| Posted: 19 Apr 2004 09:53:58 am Post subject: |
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| It never was supposed to be complex, it somehow changed it to complex when it went through the subroutine. It said A=-4 was a complex number. Because when I went through my memory looking at my variables A wasn't under real but complex but when I checked the value of it, it just said -4. |
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