https://code.jsoftware.com/wiki/Plot/Data is not entirely specific, but it suggests that the contents of the boxes should have rank <= 2.

When I use

plot <@(,/)"_1 T

I get a plot.

Henry Rich

On 8/21/2021 7:07 AM, R.E. Boss wrote:
My T is such that ;/T equals
+-------------------------+---------------------------------------------------------------------------------------------+
|0 1 1.5 2.5 3 4 4.5 5.5 6|        0         0  0.8660254  0.8660254         0  
       0  0.8660254  0.8660254         0|
|0 1 1.5 2.5 3 4 4.5 5.5 6|1.7320508 1.7320508  2.5980762  2.5980762 1.7320508 
1.7320508  2.5980762  2.5980762 1.7320508|
|                         |                                                     
                                        |
|0 1 1.5 2.5 3 4 4.5 5.5 6|        0         0 _0.8660254 _0.8660254         0  
       0 _0.8660254 _0.8660254         0|
|0 1 1.5 2.5 3 4 4.5 5.5 6|1.7320508 1.7320508  0.8660254  0.8660254 1.7320508 
1.7320508  0.8660254  0.8660254 1.7320508|
+-------------------------+---------------------------------------------------------------------------------------------+
Yet, if I do

pd 'reset'
pd 'color black; type line ; tics 0; labels 0; frame 0; grids 0'
pd <"_1 Thttps://code.jsoftware.com/wiki/Plot/Data
pd 'aspect ',(": %~/(>./-<./)"1 ,/"2^:2 T)
pd 'show'

I get the famous
                 error in: plot_gs_paint

                 domain error: chkgl2
                    rc=.  glcmds`glcmds_jglc_@.(Poutput=iQTC)buf

which is far beyond my capacities.
Any help?


R.E. Boss
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