<div dir="ltr">Hi,<div><br></div><div>I am trying to use expm() and do not get what I am expecting.</div><div><br></div><div>I enter A = [1,0.5,0.7;0.3,0.7,1;1,0,1]</div><div>and B = expm(A)</div><div>and get as result</div><div><br></div><div>B = </div><p class="MsoNormal"><span style="font-size:16pt;line-height:107%">    4.1672519   
1.3854159    2.8881517  <span></span></span></p>

<p class="MsoNormal"><span style="font-size:16pt;line-height:107%">    2.1672628   
2.4007931    3.0513947  <span></span></span></p>

<div><span style="font-size:16pt">    </span><span style="font-size:16pt">3.1716359</span><span style="font-size:16pt">   
</span><span style="font-size:16pt">0.6680066</span><span style="font-size:16pt">    </span><span style="font-size:16pt">3.96685</span>.</div><div><br></div><div>I expected the matrix B elements to be exponents of corresponding elements of matrix A. For example</div><div>B(1,1) = B(2,3) = B(3,1) = B(3,3) = <span style="font-size:16pt">2.7182818</span></div><div><span style="font-size:16pt"><br></span></div><div><span style="font-size:16pt">Could you please explain to me what is going on?</span></div><div><span style="font-size:16pt"><br></span></div><div><span style="font-size:16pt">Thanks</span></div><div><span style="font-size:16pt"><br></span></div><div><span style="font-size:16pt">Jean</span></div><div><span style="font-size:16pt"><br></span></div><div><span style="font-size:16pt"><br></span></div><p class="MsoNormal"><span style="font-size:16pt;line-height:107%"><span></span></span></p></div>