http://www.mapleprimes.com/questions/127955-Dsolve-System en-us 2026 Maplesoft, A Division of Waterloo Maple Inc. Maplesoft Document System Sat, 13 Jun 2026 18:28:54 GMT Sat, 13 Jun 2026 18:28:54 GMT The latest answers and comments added to the Question, dsolve system http://www.mapleprimes.com/images/mapleprimeswhite.jpg http://www.mapleprimes.com/questions/127955-Dsolve-System http://www.mapleprimes.com/questions/127955-Dsolve-System?ref=Feed:MaplePrimes:dsolve system:Comments#answer127960 <p>Your first error is that the assignment operator in Maple is ":=", not "=".<br><br>You seem to want a system of two differential equations in z_1 and z_2, but you're only giving dsolve one equation at a time.</p> <p>dsolve can solve complex systems numerically, but you must tell it about the derivative of z_i, not the derivative of conjugate(z_i).&nbsp; So you should try something like</p> <p>&gt; dsolve({diff(z_1(t),t) - conjugate(summ_1) = 0, diff(z_2(t),t) - conjugate(summ_2) = 0,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; z_1(0) = I, z_2(0) = 2*I}, numeric);</p> <p>Your first error is that the assignment operator in Maple is ":=", not "=".<br><br>You seem to want a system of two differential equations in z_1 and z_2, but you're only giving dsolve one equation at a time.</p> <p>dsolve can solve complex systems numerically, but you must tell it about the derivative of z_i, not the derivative of conjugate(z_i).&nbsp; So you should try something like</p> <p>&gt; dsolve({diff(z_1(t),t) - conjugate(summ_1) = 0, diff(z_2(t),t) - conjugate(summ_2) = 0,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; z_1(0) = I, z_2(0) = 2*I}, numeric);</p> 127960 Tue, 22 Nov 2011 05:54:46 Z Robert Israel Robert Israel