Runtime evaluation/In an environment: Difference between revisions

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 =={{header|Octave}}==
+<lang octave>function r = calcit(f, val)
- {{incorrect|Octave|Either do not use a global variable, or note that this is impossible.}}
+  x = val;
+  r = eval(f);
+endfunction
+p = "x .* 2";
+a = calcit(p, [1:3]);
+b = calcit(p, [4:6]);
-<lang octave>p = "x .* 2";
-x = [1:3];
-a = eval(p);
-x = [4:6];
-b = eval(p);
 disp(b-a);</lang>