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971.
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@FUNCTION=PERIODOGRAM 
@SYNTAX=PERIODOGRAM(ordinates,[filter,[abscissas,[interpolation,[number]]]])
@DESCRIPTION=
periodogram returns the periodogram of the data
as a one column matrix.
@ordinates are the ordinates of the data to interpolate.
@filter gives the window function to be used. Possible values are:
- 0: no filter (rectangular window);
- 1: Bartlett (triangular window);
- 2: Hahn (cosine window);
- 3: Welch (parabolic window);
@abscissas are the absicssas of the data to interpolate. If no
abscissa is given, it is supposed that the data absicssas are regularly
spaced. Otherwise, an interpolation method will be used to evaluate
regularly spaced data.
* Strings and empty cells in @abscissas and @ordinates are simply ignored.
@interpolation is the method to be used for the interpolation;
possible values are:
- 0: linear;
- 1: linear with averaging;
- 2: staircase;
- 3: staircase with averaging;
- 4: natural cubic spline;
- 5: natural cubic spline with averaging.
@number is the number of interpolated data to be used. If not given,
a default number is automatically evaluated.
@EXAMPLES=
@SEEALSO=INTERPOLATION |
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Start a new line in the equivalent position in the translation.
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represents a space character.
Enter a space in the equivalent position in the translation.
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(no translation yet)
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972.
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@FUNCTION=EXECSQL
@SYNTAX=EXECSQL(dsn,username,password,sql)
@DESCRIPTION=The EXECSQL function lets you execute a command in a database server, and show the results returned in current sheet. It uses libgda as the means for accessing the databases.
For using it, you need first to set up a libgda data source.
@EXAMPLES=
To get all the data from the table "Customers" present in the "mydatasource" GDA data source, you would use:
EXECSQL("mydatasource","username","password","SELECT * FROM customers")
@SEEALSO=READDBTABLE |
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@FUNCTION=EXECSQL
@SYNTAX=EXECSQL(dsn,usuário,senha,sql)
@DESCRIPTION=A função EXECSQL permite que você execute um comando
num servidor de banco de dados, e mostre o resultado na pasta atual. Ela utiliza a biblioteca libgda para acessar o banco de dados.
@EXAMPLES=
Para obter todos os dados a partir da tabela "Clientes" disponível da fonte de dados GDA "meusdados", você deve utilizar:
EXECSQL("meusdados","usuário","senha","SELECT * FROM clientes")
@SEEALSO=READDBTABLE |
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Translated and reviewed by
Afonso Celso Medina
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973.
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@FUNCTION=READDBTABLE
@SYNTAX=READDBTABLE(dsn,username,password,table)
@DESCRIPTION=The READDBTABLE function lets you get the contents of a table, as stored in a database. For using it, you need first to set up a libgda data source.
Note that this function returns all the rows in the given table. If you want to get data from more than one table or want a more precise selection (conditions), use the EXECSQL function.
@EXAMPLES=
To get all the data from the table "Customers" present in the "mydatasource" GDA data source, you would use:
READDBTABLE("mydatasource","username","password","customers")
@SEEALSO=EXECSQL |
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@FUNCTION=READDBTABLE
@SYNTAX=READDBTABLE(dsn,nome_do_usuário,senha,tabela)
@DESCRIPTION=A função READDBTABLE permite que você tenha acesso aos dados de uma tabela armazenada em um banco de dados. Para utilizá-la, você deve preparar uma fonte de dados do tipo libgda.
Note que esta função retorna todas as linhas da tabela. Se você deseja obter dados de mais do que uma tabela ou deseja uma seleção mais precisa (condições), utilize a função EXCESQL.
@EXAMPLES=
Para obter todos os dados da tabela "Clientes" presente na fonte de dados GDA "minhafontededados", você deve utilizar:
READDBTABLE("minhafontededados","nome_do_usuário","senha","clientes")
@SEEALSO=EXECSQL |
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Translated and reviewed by
Afonso Celso Medina
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974.
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@FUNCTION=NT_PHI
@SYNTAX=NT_PHI(n)
@DESCRIPTION=NT_PHI function calculates the number of integers less than or equal to @n that are relatively prime to @n.
@EXAMPLES=
@SEEALSO=NT_D, ITHPRIME, NT_SIGMA |
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@FUNCTION=NT_PHI
@SYNTAX=NT_PHI(n)
@DESCRIPTION=A função NT_PHI calcula o número de inteiros menores ou iguais a @n que são primos de @n.
@EXAMPLES=
@SEEALSO=NT_D, ITHPRIME, NT_SIGMA |
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Translated and reviewed by
Afonso Celso Medina
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975.
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@FUNCTION=NT_MU
@SYNTAX=NT_MU(n)
@DESCRIPTION=NT_MU function (Möbius mu function) returns
0 if @n is divisible by the square of a prime .
Otherwise it returns:
-1 if @n has an odd number of different prime factors .
1 if @n has an even number of different prime factors .
* If @n = 1 NT_MU returns 1.
@EXAMPLES=
@SEEALSO=NT_D, ITHPRIME, NT_PHI |
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xgettext: you can translate the funny character as an 'o' if unicode is not available.
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represents a line break.
Start a new line in the equivalent position in the translation.
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represents a space character.
Enter a space in the equivalent position in the translation.
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@FUNCTION=NT_MU
@SYNTAX=NT_MU(n)
@DESCRIPTION=A função NT_MU (função mu de Mobius) retorna
0 se @n é divisível pelo quadrado de um primo.
Caso contrário, ela retorna:
-1 se @n tem um número ímpar de fatores primos distintos.
1 se @n tem um número par de fatores primos distintos.
* Se @n = 1, NT_MU retorna 1
@EXAMPLES=
@SEEALSO=NT_D, ITHPRIME, NT_PHI |
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Translated and reviewed by
Afonso Celso Medina
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Located in
../plugins/numtheory/numtheory.c:258
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976.
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@FUNCTION=NT_D
@SYNTAX=NT_D(n)
@DESCRIPTION=NT_D function calculates the number of divisors of @n.
@EXAMPLES=
@SEEALSO=ITHPRIME, NT_PHI, NT_SIGMA |
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@FUNCTION=NT_D
@SYNTAX=NT_D(n)
@DESCRIPTION=A função NT_D calcula o número de divisores de @n.
@EXAMPLES=
@SEEALSO=ITHPRIME, NT_PHI, NT_SIGMA |
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Translated and reviewed by
Afonso Celso Medina
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977.
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@FUNCTION=NT_SIGMA
@SYNTAX=NT_SIGMA(n)
@DESCRIPTION=NT_SIGMA function calculates the sum of the divisors of @n.
@EXAMPLES=
@SEEALSO=NT_D, ITHPRIME, NT_PHI |
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@FUNCTION=NT_SIGMA
@SYNTAX=NT_SIGMA(n)
@DESCRIPTION=A função NT_SIGMA calcula a soma dos divisores de @n.
@EXAMPLES=
@SEEALSO=NT_D, ITHPRIME, NT_PHI |
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Translated and reviewed by
Afonso Celso Medina
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978.
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@FUNCTION=ITHPRIME
@SYNTAX=ITHPRIME(i)
@DESCRIPTION=ITHPRIME function returns the @ith prime.
@EXAMPLES=
@SEEALSO=NT_D, NT_SIGMA |
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@FUNCTION=ITHPRIME
@SYNTAX=ITHPRIME(i)
@DESCRIPTION=A função ITHPRIME retorna o @i-ésimo número primo.
@EXAMPLES=
@SEEALSO=NT_D, NT_SIGMA |
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Translated and reviewed by
Afonso Celso Medina
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979.
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@FUNCTION=ISPRIME
@SYNTAX=ISPRIME(i)
@DESCRIPTION=ISPRIME function returns TRUE if @i is prime and FALSE otherwise.
@EXAMPLES=
@SEEALSO=ITHPRIME, NT_D, NT_SIGMA |
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@FUNCTION=ISPRIME
@SYNTAX=ISPRIME(i)
@DESCRIPTION=A função ISPRIME retorna TRUE se @i é primo e FALSE, caso contrário.
@EXAMPLES=
@SEEALSO=ITHPRIME, NT_D, NT_SIGMA |
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Translated and reviewed by
Afonso Celso Medina
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980.
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@FUNCTION=PFACTOR
@SYNTAX=PFACTOR(n)
@DESCRIPTION=PFACTOR function returns the smallest prime factor of its argument.
The argument must be at least 2, or else a #VALUE! error is returned.
@EXAMPLES=
@SEEALSO=ITHPRIME |
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@FUNCTION=PFACTOR
@SYNTAX=PFACTOR(n)
@DESCRIPTION=A função PFACTOR retorna o menor fator primo do seu argumento.
O argumento deve ser ao menos 2, caso contrário, a função retorna o erro #VALOR!
@EXAMPLES=
@SEEALSO=ITHPRIME |
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Translated and reviewed by
Afonso Celso Medina
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