disp — Display entity


\begin{rail} Disp : 'disp' '(' ( String \vert Matrix ) ')' ; \end{rail}
disp is a useful function for writing out entities. If the argument is a matrix, then it is printed, without the variable label, to standard output. If the argument is a string, it prints the string to standard output. The return value from this function is 1 if the function succeeded, otherwise it is zero. $\Longrightarrow$ This is not an built-in function. This function is normally loaded on start-up from the disp.r file in the standard rlib directory. Use of the -r option, incorrectly setting the RLAB_LIB_DIR environmental variable, or modifying disp.r may make this function unavailable.
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