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Topic : "Ok, this didn't really have to do with dips, PS question" |
idiot junior member
Member # Joined: 10 Jan 2004 Posts: 14
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Posted: Sat Jan 10, 2004 1:55 pm |
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Believe it or not, this wasn't the really the original question, and I'm really not outrageously intelligent. I've been living a lie, my real name isn't even Idiot.
So... I have a question that has nothing to do with where the line tool is in ps. No, only a fool wouldn't know that. Here's my problem. I was contemplating the properties of light in the fourth dimension, when I stumbled onto an interesting thought; A positive integer is called a digital prime, a dip for short, if each of its digits is prime, each pair of consecutive digits is prime, each triple of consecutive digits is prime, and so on. For instance, the number 137 is almost a dip --- 137 is prime, 13 and 37 are prime, 3 and 7 are prime, but, sadly, the number 1 isn't prime. (Remember that a positive integer is prime if it's greater than 1 and divisible by no positive integer other than 1 and itself.)
(a) Find all the dips.
(b) Find all the dips, allowing 1 to be used as a digit
These are the types of problems smart people have, not finding line tools in ps, but answering the great mysteries of the universe. Only a complex problem like this could stump someone of my intellect... because I'm very smart.... and intellegent. So, can anyone figure it out?
Last edited by idiot on Thu Jan 22, 2004 11:50 am; edited 3 times in total |
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greeki junior member
Member # Joined: 29 Nov 2003 Posts: 2
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Posted: Sat Jan 10, 2004 2:41 pm |
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shift + U = 5 times then you must see it
then shift click and you will have a straight line...
((whish version do you have ?))
G |
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idiot junior member
Member # Joined: 10 Jan 2004 Posts: 14
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Posted: Sat Jan 10, 2004 4:09 pm |
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So that's where that line tool is... thanks! I've got ps7... lets just keep this between us, you know, just pretend I didn't have trouble finding something simple like the line tool, um.... so how 'bout them mets?
Close greeki! But I've figured it out, it's extremely simple! You see one digit dips (allowing the digit 1) are the primes 1, 2, 3, 5, 7. A two digit dip is a two digit prime whose digits are themselves prime, namely, 11, 13, 17, 23, 31, 37, 53, 71, 73. Any three digit dip must be a three digit prime whose first two digits and last two digits are dips, giving only 131, 137, 173, 311, 313, 317, 373. Similarly, any four digit dip must be a four digit prime whose first three digits and last three digits are three digit dips, leaving only 3137 and 1373. Any five digit dip would have these four digit dips as its first four and last four digits, making 31373 the only possibility. (Un)fortunately, 31373 = 137 � 229 is not prime! So there are no five digit dips, and consequently no dips with more than five digits. But good guess just the same! |
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Pat member
Member # Joined: 06 Feb 2001 Posts: 947 Location: San Antonio
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Posted: Sat Jan 10, 2004 4:56 pm |
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Oh, but I beg to differ; there are dips with more than five digits. I'm beginning to suspect that you're one of them.
-Pat |
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Tinusch member
Member # Joined: 25 Dec 1999 Posts: 2757 Location: Rhode Island, USA
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Posted: Mon Jan 12, 2004 6:10 pm |
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*head explodes* |
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Al Ian member
Member # Joined: 27 May 2002 Posts: 525 Location: USA
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idiot junior member
Member # Joined: 10 Jan 2004 Posts: 14
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Posted: Thu Jan 22, 2004 11:43 am |
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Ok, the first question didn't originally have to do with dips. I asked where the line tool in PS is. I couldn't find it. Greeki told me where it was, but that wasn't really what I was looking for, or at least I don't know how to use it. All I want is to be able to draw freakin' lines that i can use for the cube exercise. Like in this example here by AndyT;
The "line tool" (u x 5) makes a line. But I can't use it for anything, I cant make it a color other than black. And I can't copy or rotate them. Or at least I don't know how to manipulate those lines. I figured out that you can make a line by holding shift with the brush tool. But that is a pain, instead of simple lines in Paintshop, where I click the starting point and then drap the end point where I want it. Also, how do I make a square??? I can make one with the shape tools, but like the line tool I don't know how to manipulate those to rotate them. So I have to make a guesstimated (sp) one with the brush. Can someone please help me out. Just a few sentances, HOW you (being an individual that can understand photoshop) would make the lines in the above image. And make a rotated square like above the picture plane? Please, I won't change my question afterwards again to make myself look smart either.
...actually I will |
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