# Plot of a tensor field of valence 2 [Graphical outputs.]

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## Functions

void des_meridian (const Sym_tensor &hh, double r_min, double r_max, const char *name, int ngraph0, const char *device=0x0, bool closeit=false)
Draws profiles of the components of a symmetric tensor field along various radial axes in two meridional planes and (see funtion des_meridian(const Scalar&, double, double, const char*, int, const char*, bool) for details).

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## Function Documentation

 void des_meridian ( const Sym_tensor & hh, double r_min, double r_max, const char * name, int ngraph0, const char * device = 0x0, bool closeit = false )

Draws profiles of the components of a symmetric tensor field along various radial axes in two meridional planes and (see funtion des_meridian(const Scalar&, double, double, const char*, int, const char*, bool) for details).

Parameters:
 hh [input] Tensor field, the components of which are to be drawn r_min [input] Minimal value of r for the drawing r_max [input] Maximal value of r for the drawing name [input] Name of the tensor field (for the y legends). ngraph0 [input] Index of the graphic device (in the range [0,99]) to be used for the plot for the first component of the tensor: if this device has never been used or is closed, it will be opened. The graphic devices for the 5 other components will be the 5 following numbers. device [input] type of PGPLOT device: 0x0 (default value) will result in interactive choice; "/xwin" in X-Window display; "filename.eps/cps" in Encapsulated PostScript output and "/n" in no output. closeit [input] determines whether the graphic device must be closed or not after the plot has been performed

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