<literal>x2</literal> the value of <literal>x1^x2</literal> is the "principal value"
determined by <literal>x1^x2 = exp(x2*log(x1))</literal>.
</para>
+ <para>
+ <warning>
+ Exponentiation is right-associative in Scilab contrarily to Matlab® and Octave. For example 2^3^4 is equal to 2^(3^4) in Scilab but is equal to (2^3)^4 in Matlab® and Octave.
+ </warning>
+ </para>
</refsection>
</refsection>
<refsection>