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complib/cgttrs(3) -- or A**H * X = B,
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CGTTRS solves one of the systems of equations A * X = B, A**T * X = B, or A**H * X = B, with a tridiagonal matrix A using the LU factorization computed by CGTTRF. |
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complib/CH(3) -- EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine
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On INPUT NM must be set to the row dimension of the two-dimensional array parameters as declared in the calling program dimension statement. N is the order of the matrix A=(AR,AI). AR and AI contain the real and imaginary parts, respectively, of the complex hermitian matrix. MATZ is an integer variable set equal to zero if only eigenvalues are desired. Otherwise it is set to any non-zero integer for both eigenvalues and eigenvectors. On OUTPUT W contains the eigenvalues in ascending order. ZR an... |
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Xvc/chantab(3) -- Channel-to-monitor database
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chantab describes the monitor type that is connected to a server's video channel. The server uses this information with a description of the monitor in the moninfo database to determine whether the connected monitor has the capability to run given video formats. The format of each entry in the chantab file consists of the channel number and monitor type name separated by a space. Channel Designator The channel designator must be the first item on a line and is composed of three pieces: server.s... |
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f90/char(3) -- explicit FORTRAN type conversion
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These functions perform conversion from one data type to another. The function int converts to integer from its integer, real*4, double precision, real*16, complex, double complex, or complex*32 argument. If the argument is real, integer, real*4, double precision, or real*16 int returns the integer whose magnitude is the largest integer that does not exceed the magnitude of the argument and whose sign is the same as the sign of the argument (i.e. truncation). For complex the above rule is applie... |
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standard/charstr(3) -- draws a string of characters
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str expects a pointer to the memory containing a sequence of character id's. type expects one of the following symbolic constants defined in : STR_B Each character id is represented by a single unsigned byte. STR_2B Each character id is represented by two, consecutive unsigned bytes. STR_3B Each character id is represented by three, consecutive unsigned bytes. STR_4B Each character id is represented by four, consecutive unsigned bytes. STR_16 Each character id is represented by a 16-bi... |
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complib/chbev(3) -- compute all the eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A
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CHBEV computes all the eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A. |
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complib/chbevd(3) -- compute all the eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A
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CHBEVD computes all the eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A. If eigenvectors are desired, it uses a divide and conquer algorithm. The divide and conquer algorithm makes very mild assumptions about floating point arithmetic. It will work on machines with a guard digit in add/subtract, or on those binary machines without guard digits which subtract like the Cray X-MP, Cray Y-MP, Cray C-90, or Cray-2. It could conceivably fail on hexadecimal or decimal mac... |
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complib/chbevx(3) -- compute selected eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A
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CHBEVX computes selected eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A. Eigenvalues and eigenvectors can be selected by specifying either a range of values or a range of indices for the desired eigenvalues. |
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complib/chbgst(3) -- eigenproblem A*x = lambda*B*x to standard form C*y = lambda*y,
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CHBGST reduces a complex Hermitian-definite banded generalized eigenproblem A*x = lambda*B*x to standard form C*y = lambda*y, such that C has the same bandwidth as A. B must have been previously factorized as S**H*S by CPBSTF, using a split Cholesky factorization. A is overwritten by C = X**H*A*X, where X = S**(-1)*Q and Q is a unitary matrix chosen to preserve the bandwidth of A. |
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complib/chbgv(3) -- a complex generalized Hermitian-definite banded eigenproblem, of the form A*x=(lambda)*B*x
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CHBGV computes all the eigenvalues, and optionally, the eigenvectors of a complex generalized Hermitian-definite banded eigenproblem, of the form A*x=(lambda)*B*x. Here A and B are assumed to be Hermitian and banded, and B is also positive definite. |
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complib/chbtrd(3) -- reduce a complex Hermitian band matrix A to real symmetric tridiagonal form T by a unitary similarity transfor
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CHBTRD reduces a complex Hermitian band matrix A to real symmetric tridiagonal form T by a unitary similarity transformation: Q**H * A * Q = T. |
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Tk/checkbutton(3) -- Create and manipulate checkbutton widgets
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activeBackground cursor highlightThickness takeFocus | activeForeground disabledForeground image text | anchor font justify textVariable | background foreground padX underline | bitmap highlightBackground padY wrapLength | borderWidth highlightColor relief See the ``options'' manual entry for details on the standard options. WIDGET-SPECIFIC OPTIONS Name: command Class: Command Command-Line Switch:-command Specifies a Tcl command to associate with the button. This command is typically invoked w... |
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complib/checon(3) -- estimate the reciprocal of the condition number of a complex Hermitian matrix A using the factorization A = U*
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CHECON estimates the reciprocal of the condition number of a complex Hermitian matrix A using the factorization A = U*D*U**H or A = L*D*L**H computed by CHETRF. An estimate is obtained for norm(inv(A)), and the reciprocal of the condition number is computed as RCOND = 1 / (ANORM * norm(inv(A))). |
