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Luca.Merciadri (232) 108 Articles, 124 Replies, 232 Points
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Since 4/14/2012 3:02:13 AM, Luca.Merciadri has written 108 articles and participated in 124 conversations.
 Items(108) /11 Next >> Last >| Replacing specific elements of a string by other specific elements 3 49 (10/21/2012 2:09:52 PM) comp.soft-sys.matlab-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, I've got a string, say str. This string contains only digits; for example, 1456823. I also have two vectors: 1) a row vector whose elements are t...Merciadri Get matrix element at position specified by a vector 6 27 (10/20/2012 8:40:01 PM) comp.soft-sys.matlab-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, Let us consider you've got a = [[2 2]; [3 4]] a = 2 2 3 4 b = [1 1] b = 1 1 How can I get the elemen...Merciadri Hyperbola 6 56 (7/19/2012 10:40:57 AM) comp.text.tex-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I need to get a better hyperbola than the one I drew using LaTeXDraw: http://imageshack.us/photo/my-images/442/hyperbola.png/ This is actually achiev...Merciadri Lagrange's four-square theorem 2 65 (4/22/2012 6:16:30 PM) comp.lang.scheme-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, When doing some Scheme exercises past week, an exercise resisted to my (potential) sagacity. It is asked to write a lagrange' function, taking as only argume...Merciadri Generalizing append_map 3 42 (4/6/2012 12:32:38 PM) comp.lang.scheme-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I've got == (define append_map (lambda (f l) (if (null? l) '() (append (f (car l)) (append_map f (cdr l)))))) == which is equivalent...Merciadri Environment model 2 67 (2/12/2012 5:05:53 PM) comp.lang.scheme-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I am a beginner in Scheme. I'm given the following example: == ((lambda (x) (* x x)) ((lambda (a b) (a (* b b))) (lambda (a) (* a a)) (* 2 2))) == and t...Merciadri Superposition problem in the ToC 2 43 (9/19/2011 12:47:31 PM) comp.text.tex-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I tried several things, but I'm still having a text superposition problem in the ToC of a big document I'm writing. The problem is somewhat habitual: referenc...Merciadri Putting equation on a text line 7 46 (9/17/2011 7:13:30 PM) comp.text.tex-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, Let us consider that you type something like == Let us consider $x\mapsto ax+b=f(x).$ == How do you manage to put the equation on the same line as Let ...Merciadri Since using T2A as a fontenc for embedding cyrillic characters, I get a \U <-> \cap error 4 30 (8/2/2011 9:18:56 PM) comp.text.tex-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I wanted to embed some specific cyrillic characters in one of my LaTeX documents. The files already being under UTF-8, simply copying and pasting e.g. the Sha...Merciadri Spacing in matrix with \boxed elements 4 35 (6/28/2011 6:09:05 PM) comp.text.tex-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, Let us consider the following (Sudoku) matrix: == $\begin{pmatrix} \boxed{6}&7&3&5&1&4&9&8&2\\ 9&\boxed{2}&1&3&6&8&7&5&4\\ 5&8&\boxed{4}&7&9&2&1&3&6\\ 8&9&...Merciadri Luca.Merciadri's replies:  Items(54) /6 Next >> Last >| Get matrix element at position specified by a vector 6 27 (10/20/2012 8:40:01 PM) comp.soft-sys.matlab-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, Let us consider you've got a = [[2 2]; [3 4]] a = 2 2 3 4 b = [1 1] b = 1 1 How can I get the elemen...Luca.Merciadri (232) Hyperbola 6 56 (7/19/2012 10:40:57 AM) comp.text.tex-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I need to get a better hyperbola than the one I drew using LaTeXDraw: http://imageshack.us/photo/my-images/442/hyperbola.png/ This is actually achiev...Luca.Merciadri (232) Lagrange's four-square theorem 2 65 (4/22/2012 6:16:30 PM) comp.lang.scheme-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, When doing some Scheme exercises past week, an exercise resisted to my (potential) sagacity. It is asked to write a lagrange' function, taking as only argume...Luca.Merciadri (232) Generalizing append_map 3 42 (4/6/2012 12:32:38 PM) comp.lang.scheme-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I've got == (define append_map (lambda (f l) (if (null? l) '() (append (f (car l)) (append_map f (cdr l)))))) == which is equivalent...Luca.Merciadri (232) Environment model 2 67 (2/12/2012 5:05:53 PM) comp.lang.scheme-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I am a beginner in Scheme. I'm given the following example: == ((lambda (x) (* x x)) ((lambda (a b) (a (* b b))) (lambda (a) (* a a)) (* 2 2))) == and t...Luca.Merciadri (232) Superposition problem in the ToC 2 43 (9/19/2011 12:47:31 PM) comp.text.tex-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I tried several things, but I'm still having a text superposition problem in the ToC of a big document I'm writing. The problem is somewhat habitual: referenc...Luca.Merciadri (232) Putting equation on a text line 7 46 (9/17/2011 7:13:30 PM) comp.text.tex-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, Let us consider that you type something like == Let us consider \[ x\mapsto ax+b=f(x).$ == How do you manage to put the equation on the same line as Let ...Luca.Merciadri (232) Since using T2A as a fontenc for embedding cyrillic characters, I get a \U <-> \cap error 4 30 (8/2/2011 9:18:56 PM) comp.text.tex-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I wanted to embed some specific cyrillic characters in one of my LaTeX documents. The files already being under UTF-8, simply copying and pasting e.g. the Sha...Luca.Merciadri (232) Spacing in matrix with \boxed elements 4 35 (6/28/2011 6:09:05 PM) comp.text.tex-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, Let us consider the following (Sudoku) matrix: == \[ \begin{pmatrix} \boxed{6}&7&3&5&1&4&9&8&2\\ 9&\boxed{2}&1&3&6&8&7&5&4\\ 5&8&\boxed{4}&7&9&2&1&3&6\\ 8&9&...Luca.Merciadri (232) Logic inferences in LaTeX 12 39 (6/28/2011 4:45:15 PM) comp.text.tex-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, Let us consider that we want to prove that \neg \neg p \rightarrow p. One might use different rules so that == \frac {\displaystyle\...Luca.Merciadri (232)