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Author Topic: Circle Graphs  (Read 24418 times)

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Offline guy6020665

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Re: Circle Graphs
« Reply #45 on: September 03, 2010, 08:29:13 pm »
Quote from: meishe91 on September 03, 2010, 08:09:35 pm
Quote from: guy6020665 on September 03, 2010, 07:58:07 pm
Quote from: Deep Thought on September 03, 2010, 07:52:59 pm
Nice! The original program is 130. Does yours save the percentages to L2?

Yes here is code

Code: [Select]
:Degree
:AxesOff
:ZInteger
:L1/(sum(L1))->L2
:Circle(0,0,31
:1->A
:0->D
:For(A,1,dim(L2
:360*L2(A)->B
:Line(0,0,31*sin(B+D),31*cos(B+D))
:D+B->D
:End
Edit Subscript dosen't seem to work in code

Ya, no form of BBCode works inside [code][/code].

Quote from: Deep Thought on September 03, 2010, 08:00:35 pm
Oh yeah, you could divide the entire list L1 by a number!

Great job. Now try optimizing the exploded version...

EDIT: No, code is WYSIWIG. You can use [ tt ] [ /tt ] instead.

What's WYSIWIG?

Edit:
Code: (Optimized) [Select]
Degree
AxesOff
ZStandard (You need to have this...)
ZInteger
L1/sum(L1→L1
Circle(0,0,31
DelVarDFor(A,1,dim(L1
360L1(A→B
Line(0,0,31sin(B+D),31cos(B+D
D+B→D
End
It is now 86 bytes with a one letter name :)

@DeepThought: As meishe91 said "what's WYSIWIG?"

@meishe91: Thanks! Forgot about the ZStandard, in that case maybe include all the other graph commands as well? (Ex. FnOff, PlotsOff)
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Offline meishe91

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Re: Circle Graphs
« Reply #46 on: September 03, 2010, 08:37:21 pm »
I don't think it really matters. You can though. All you really need are those two if you were gonna add any.

I have a question about your original one. Why were you storing one to A if you were using A for the loop? Or just a "oops" moment?
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Offline guy6020665

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Re: Circle Graphs
« Reply #47 on: September 03, 2010, 08:39:28 pm »
A BASIC For( loop doesn't change the variable and if i didn't change it it would either give a dim error or just skip the loop altogether
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Offline nemo

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Re: Circle Graphs
« Reply #48 on: September 03, 2010, 08:40:07 pm »
Code: ( more optimized) [Select]
Degree
AxesOff
ZStandard
ZInteger:0
Circle(0,0,30,{i    .i know, more memory consuming but like 8 times faster. i think the 3 bytes are worth it.
For(Z,1,dim(L1
Ans+360L1(Z)/sum(L1
Line(0,0,30sin(Ans),30cos(Ans
End

no need to use external variables if you arent storing to L2 for percentages of the circle.
edit: 71 bytes with a 1 letter name.
« Last Edit: September 03, 2010, 08:40:39 pm by nemo »
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Offline guy6020665

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Re: Circle Graphs
« Reply #49 on: September 03, 2010, 08:42:24 pm »
Quote from: nemo on September 03, 2010, 08:40:07 pm
Code: ( more optimized) [Select]
Degree
AxesOff
ZStandard
ZInteger:0
Circle(0,0,30,{i    .i know, more memory consuming but like 8 times faster. i think the 3 bytes are worth it.
For(Z,1,dim(L1
Ans+360L1(Z)/sum(L1
Line(0,0,30sin(Ans),30cos(Ans
End

no need to use external variables if you arent storing to L2 for percentages of the circle.
edit: 71 bytes with a 1 letter name.

Nice, but i don't understand the "{i"
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Offline meishe91

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Re: Circle Graphs
« Reply #50 on: September 03, 2010, 08:42:47 pm »
Quote from: guy6020665 on September 03, 2010, 08:39:28 pm
A BASIC For( loop doesn't change the variable and if i didn't change it it would either give a dim error or just skip the loop altogether

Ya, I know. But that's weird that it was giving you an error. You don't really need it, unless my calculator is just bomb like that :P

Quote from: nemo on September 03, 2010, 08:40:07 pm
Code: ( more optimized) [Select]
Degree
AxesOff
ZStandard
ZInteger:0
Circle(0,0,30,{i    .i know, more memory consuming but like 8 times faster. i think the 3 bytes are worth it.
For(Z,1,dim(L1
Ans+360L1(Z)/sum(L1
Line(0,0,30sin(Ans),30cos(Ans
End

no need to use external variables if you arent storing to L2 for percentages of the circle.
edit: 71 bytes with a 1 letter name.

Oh ya, nice! I keep forgetting to do stuff like that :P

Quote from: guy6020665 on September 03, 2010, 08:42:24 pm
Quote from: nemo on September 03, 2010, 08:40:07 pm
Code: ( more optimized) [Select]
Degree
AxesOff
ZStandard
ZInteger:0
Circle(0,0,30,{i    .i know, more memory consuming but like 8 times faster. i think the 3 bytes are worth it.
For(Z,1,dim(L1
Ans+360L1(Z)/sum(L1
Line(0,0,30sin(Ans),30cos(Ans
End

no need to use external variables if you arent storing to L2 for percentages of the circle.
edit: 71 bytes with a 1 letter name.

Nice, but i don't understand the "{i"

I don't think anyone really does. It's just an undocumented trick that when you draw a circle using that command if you have an imaginary list as the fourth argument then it draws them faster.
« Last Edit: September 03, 2010, 08:43:59 pm by meishe91 »
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Offline apcalc

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Re: Circle Graphs
« Reply #51 on: September 03, 2010, 08:43:26 pm »
I don't know too much about 83/84 BASIC, but I believe that {i makes the circle draw faster.
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Offline nemo

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Re: Circle Graphs
« Reply #52 on: September 03, 2010, 08:43:46 pm »
the {i, the i being the imaginary i, [2nd] [.], makes the calculator draw the circle 8 times faster. cause TI's dumb.
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Offline guy6020665

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Re: Circle Graphs
« Reply #53 on: September 03, 2010, 08:44:34 pm »
Why does it do it faster? i never even heard of the imaginary i being used this way before.
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Offline nemo

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Re: Circle Graphs
« Reply #54 on: September 03, 2010, 08:45:33 pm »
no idea. it's just something TI added in.
other things are Line(X1,Y1,X2,Y2,[0]) will make the line be a black or white line, and Text([-1],X,Y makes small or large text.
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Offline meishe91

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Re: Circle Graphs
« Reply #55 on: September 03, 2010, 08:45:41 pm »
Quote from: guy6020665 on September 03, 2010, 08:44:34 pm
Why does it do it faster? i never even heard of the imaginary i being used this way before.

Like I said, I don't think anyone knows really.
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Offline DJ Omnimaga

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Re: Circle Graphs
« Reply #56 on: September 03, 2010, 08:47:01 pm »
It's an undocumented TI-BASIC function that never got assigned an actual command or real syntax.

It's like Text(-1,Y,X,"Text") to display large fonts on the graph screen.

On the old 83 from 1996, you could run ASM games from the home screen, but TI had yet to assign a token to the ASM running command, so instead of Asm(prgmNAME), it was Send(9prgmNAME), and the 9 here is not a typo.

All those 3 things are not documented by TI. The former was only discovered around 2006, though, and the Text one was only widely known by 2004, despite Basic Guru Online having talked about it in 2000-2001.
« Last Edit: September 03, 2010, 08:48:38 pm by DJ Omnimaga »
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Offline guy6020665

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Re: Circle Graphs
« Reply #57 on: September 03, 2010, 08:48:20 pm »
Stupid random TI
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Offline willrandship

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Re: Circle Graphs
« Reply #58 on: September 03, 2010, 08:48:42 pm »
I bet it was for their Apps that graphed data input, so they could brag that they write software better than anyone else :P
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Offline FinaleTI

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Re: Circle Graphs
« Reply #59 on: September 03, 2010, 09:31:24 pm »
Quote
What's WYSIWIG?

WYSIWYG stands for What You See Is What You Get.
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