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Shell Programming and Scripting
Assign two dimensional array in bash at once
Post 302987357 by Corona688 on Thursday 8th of December 2016 11:16:19 AM
12-08-2016
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LEARN ABOUT DEBIAN
plvect
PLVECT(3plplot) PLplot API PLVECT(3plplot) NAME
plvect - Vector plot SYNOPSIS
plvect(u, v, nx, ny, scale, pltr, pltr_data) DESCRIPTION
Draws a vector plot of the vector (u[nx][ny],v[nx][ny]). The scaling factor for the vectors is given by scale. A transformation routine pointed to by pltr with a pointer pltr_data for additional data required by the transformation routine is used to map indices within the array to the world coordinates. The style of the vector arrow may be set using plsvect(3plplot). Redacted form: plvect(u, v, scale, pltr, pltr_data) This function is used in example 22. ARGUMENTS
u, v (PLFLT **, input) Pointers to a pair of vectored two-dimensional arrays containing the x and y components of the vector data to be plotted. nx, ny (PLINT, input) Physical dimensions of the arrays u and v. scale (PLFLT, input) Parameter to control the scaling factor of the vectors for plotting. If scale = 0 then the scaling factor is automatically calcu- lated for the data. If scale < 0 then the scaling factor is automatically calculated for the data and then multiplied by -scale. If scale > 0 then the scaling factor is set to scale. pltr (void (*) (PLFLT, PLFLT, PLFLT *, PLFLT *, PLPointer) , input) Pointer to function that defines transformation between indices in array z and the world coordinates (C only). Transformation func- tions are provided in the PLplot library: pltr0(3plplot) for identity mapping, and pltr1(3plplot) and pltr2(3plplot) for arbitrary mappings respectively defined by one- and two-dimensional arrays. In addition, user-supplied routines for the transformation can be used as well. Examples of all of these approaches are given in the PLplot documentation. The transformation function should have the form given by any of pltr0(3plplot), pltr1(3plplot), or pltr2(3plplot). pltr_data (PLPointer, input) Extra parameter to help pass information to pltr0(3plplot), pltr1(3plplot), pltr2(3plplot), or whatever routine that is externally supplied. AUTHORS
Geoffrey Furnish and Maurice LeBrun wrote and maintain PLplot. This man page was automatically generated from the DocBook source of the PLplot documentation, maintained by Alan W. Irwin and Rafael Laboissiere. SEE ALSO
PLplot documentation at http://plplot.sourceforge.net/resources. August, 2012 PLVECT(3plplot)