I know that I have made a simple error, but I do not know why the negative intercept is not plotted in the sample code.

Thnks for any help.

Martin sample3.mw

When i use the pronumeral thetac (using greek characters) I initially get numeric data reported, but later in the script i get the pronemeral literally repeated (as though there is no value defined for this pronumeral).

This does not happen for thetahs (using greek characters), where I always get numeric results (through the entire script).

See the following script: sample_1.mw

I re-wrote the...