http://www.mapleprimes.com/questions/140576-Get-The-Imaginary-And-Real-Part-Of-A en-us 2026 Maplesoft, A Division of Waterloo Maple Inc. Maplesoft Document System Tue, 09 Jun 2026 10:21:23 GMT Tue, 09 Jun 2026 10:21:23 GMT The latest answers and comments added to the Question, Get the imaginary and real part of a complex expression http://www.mapleprimes.com/images/mapleprimeswhite.jpg http://www.mapleprimes.com/questions/140576-Get-The-Imaginary-And-Real-Part-Of-A http://www.mapleprimes.com/questions/140576-Get-The-Imaginary-And-Real-Part-Of-A?ref=Feed:MaplePrimes:Get the imaginary and real part of a complex expression:Comments#answer140584 <p>&nbsp;</p> <form name="worksheet_form"> <table style="width: 576px;" align="center"> <tbody> <tr> <td> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="left"><img style="vertical-align: -62;" src="/view.aspx?sf=140584/448278/1a7a57d90a060375fcc93bb883717c81.gif" alt="F := 1+2*zs*I-w^2/ws^2-w^2*ks*(1+2*zs*I)*(K3*(1+2*z3*I)-H*K2(1+2*z2*I)+H*(H*K1*(1+2*z1*I)-K2*(1+2*z2*I)))/(ws^2*(K1*(1+2*z1*I)*K3*(1+2*z3*I)-K2^2*(1+2*z2*I)^2))" width="576" height="92" align="middle"></p> <table> <tbody> <tr valign="baseline"> <td> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="center"><img style="vertical-align: -62;" src="/view.aspx?sf=140584/448278/6410a257e3de9c8b5ad4ec1f79925462.gif" alt="1+(2*I)*zs-w^2/ws^2-w^2*ks*(1+(2*I)*zs)*(K3*(1+(2*I)*z3)-H*K2(1+(2*I)*z2)+H*(H*K1*(1+(2*I)*z1)-K2*(1+(2*I)*z2)))/(ws^2*(K1*(1+(2*I)*z1)*K3*(1+(2*I)*z3)-K2^2*(1+(2*I)*z2)^2))" width="546" height="92" align="middle"></p> </td> <td style="color: #000000; font-family: Times, serif; font-weight: bold; font-style: normal;" align="right">(1)</td> </tr> </tbody> </table> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="left"><img style="vertical-align: -6;" src="/view.aspx?sf=140584/448278/33c0195c9a82c8fbda1e98c451e384e2.gif" alt="indets(F)" width="64" height="23"></p> <table> <tbody> <tr valign="baseline"> <td> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="center"><img style="vertical-align: -6;" src="/view.aspx?sf=140584/448278/40a1a0bbe87f3d64fb9fc34b2526e316.gif" alt="{H, K1, K2, K3, ks, w, ws, z1, z2, z3, zs, K2(1+(2*I)*z2)}" width="334" height="23"></p> </td> <td style="color: #000000; font-family: Times, serif; font-weight: bold; font-style: normal;" align="right">(2)</td> </tr> </tbody> </table> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="left"><span style="color: #000000; font-size: 100%; font-family: Times New Roman,serif; font-weight: normal; font-style: normal;">After replacing K2(1+(2*I)*z2) by K2*(1+(2*I)*z2) it works:</span><span style="color: #ff0000; font-size: 100%; font-family: Courier New,monospace; font-weight: bold; font-style: normal;"><br> </span><span style="color: #ff0000; font-size: 100%; font-family: Courier New,monospace; font-weight: bold; font-style: normal;">&nbsp;</span> <br> <img style="vertical-align: -41;" src="/view.aspx?sf=140584/448278/1d071a1c5c8283e0f0ee05877271a58a.gif" alt="G := 1+2*zs*I-w^2/ws^2-w^2*ks*(1+2*zs*I)*(K3*(1+2*z3*I)-H*K2*(1+2*z2*I)+H*(H*K1*(1+2*z1*I)-K2*(1+2*z2*I)))/(ws^2*(K1*(1+2*z1*I)*K3*(1+2*z3*I)-K2^2*(1+2*z2*I)^2))" width="600" height="71" align="middle"></p> <table> <tbody> <tr valign="baseline"> <td> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="center"><img style="vertical-align: -62;" src="/view.aspx?sf=140584/448278/2a0e063a9762cf27c9aef9053a4d712a.gif" alt="1+(2*I)*zs-w^2/ws^2-w^2*ks*(1+(2*I)*zs)*(K3*(1+(2*I)*z3)-H*K2*(1+(2*I)*z2)+H*(H*K1*(1+(2*I)*z1)-K2*(1+(2*I)*z2)))/(ws^2*(K1*(1+(2*I)*z1)*K3*(1+(2*I)*z3)-K2^2*(1+(2*I)*z2)^2))" width="546" height="92" align="middle"></p> </td> <td style="color: #000000; font-family: Times, serif; font-weight: bold; font-style: normal;" align="right">(3)</td> </tr> </tbody> </table> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="left"><span style="color: #ff0000; font-size: 100%; font-family: Courier New,monospace; font-weight: bold; font-style: normal;">&nbsp; </span><img style="vertical-align: -6;" src="/view.aspx?sf=140584/448278/26a5ab607b4c9fa99fdf98aba47bb843.gif" alt="evalc(Re(G))" width="85" height="23"></p> <table> <tbody> <tr valign="baseline"> <td> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="center"><img style="vertical-align: -141;" src="/view.aspx?sf=140584/448278/f97f61775eb822737ea80bd45de399d3.gif" alt="1-w^2/ws^2+(-w^2*ks*(K3-2*H*K2+H^2*K1)+2*w^2*ks*zs*(2*K3*z3-4*H*K2*z2+2*H^2*K1*z1))*(K1*K3-4*K1*K3*z1*z3-K2^2*(1-4*z2^2))/(ws^2*((K1*K3-4*K1*K3*z1*z3-K2^2*(1-4*z2^2))^2+(2*K1*K3*z3+2*K1*K3*z1-4*K2^2*z2)^2))+(-2*w^2*ks*zs*(K3-2*H*K2+H^2*K1)-w^2*ks*(2*K3*z3-4*H*K2*z2+2*H^2*K1*z1))*(2*K1*K3*z3+2*K1*K3*z1-4*K2^2*z2)/(ws^2*((K1*K3-4*K1*K3*z1*z3-K2^2*(1-4*z2^2))^2+(2*K1*K3*z3+2*K1*K3*z1-4*K2^2*z2)^2))" width="546" height="171" align="middle"></p> </td> <td style="color: #000000; font-family: Times, serif; font-weight: bold; font-style: normal;" align="right">(4)</td> </tr> </tbody> </table> <table> <tbody> <tr valign="baseline"> <td> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="center"><img style="vertical-align: -141;" src="/view.aspx?sf=140584/448278/3503db8507003905714aa9bb40850208.gif" alt="1-w^2/ws^2+(-w^2*ks*(K3-2*H*K2+H^2*K1)+2*w^2*ks*zs*(2*K3*z3-4*H*K2*z2+2*H^2*K1*z1))*(K1*K3-4*K1*K3*z1*z3-K2^2*(1-4*z2^2))/(ws^2*((K1*K3-4*K1*K3*z1*z3-K2^2*(1-4*z2^2))^2+(2*K1*K3*z3+2*K1*K3*z1-4*K2^2*z2)^2))+(-2*w^2*ks*zs*(K3-2*H*K2+H^2*K1)-w^2*ks*(2*K3*z3-4*H*K2*z2+2*H^2*K1*z1))*(2*K1*K3*z3+2*K1*K3*z1-4*K2^2*z2)/(ws^2*((K1*K3-4*K1*K3*z1*z3-K2^2*(1-4*z2^2))^2+(2*K1*K3*z3+2*K1*K3*z1-4*K2^2*z2)^2))" width="546" height="171" align="middle"></p> </td> <td style="color: #000000; font-family: Times, serif; font-weight: bold; font-style: normal;" align="right">(5)</td> </tr> </tbody> </table> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="left"><span style="color: #ff0000; font-size: 100%; font-family: Courier New,monospace; font-weight: bold; font-style: normal;">&nbsp; </span></p> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="left"><img style="vertical-align: -6;" src="/view.aspx?sf=140584/448278/1ba363a7bb8f1d3d2940a15c07b8fa98.gif" alt="``" width="11" height="23"></p> </td> </tr> </tbody> </table> <input type="hidden" name="sequence" value="1"> <input type="hidden" name="cmd" value="none"></form> <p>&nbsp;</p> <p><a href="/view.aspx?sf=140584/448278/mult_sign.mw">Download mult_sign.mw</a></p> <p>&nbsp;</p> <form name="worksheet_form"> <table style="width: 576px;" align="center"> <tbody> <tr> <td> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="left"><img style="vertical-align: -62;" src="/view.aspx?sf=140584/448278/1a7a57d90a060375fcc93bb883717c81.gif" alt="F := 1+2*zs*I-w^2/ws^2-w^2*ks*(1+2*zs*I)*(K3*(1+2*z3*I)-H*K2(1+2*z2*I)+H*(H*K1*(1+2*z1*I)-K2*(1+2*z2*I)))/(ws^2*(K1*(1+2*z1*I)*K3*(1+2*z3*I)-K2^2*(1+2*z2*I)^2))" width="576" height="92" align="middle"></p> <table> <tbody> <tr valign="baseline"> <td> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="center"><img style="vertical-align: -62;" src="/view.aspx?sf=140584/448278/6410a257e3de9c8b5ad4ec1f79925462.gif" alt="1+(2*I)*zs-w^2/ws^2-w^2*ks*(1+(2*I)*zs)*(K3*(1+(2*I)*z3)-H*K2(1+(2*I)*z2)+H*(H*K1*(1+(2*I)*z1)-K2*(1+(2*I)*z2)))/(ws^2*(K1*(1+(2*I)*z1)*K3*(1+(2*I)*z3)-K2^2*(1+(2*I)*z2)^2))" width="546" height="92" align="middle"></p> </td> <td style="color: #000000; font-family: Times, serif; font-weight: bold; font-style: normal;" align="right">(1)</td> </tr> </tbody> </table> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="left"><img style="vertical-align: -6;" src="/view.aspx?sf=140584/448278/33c0195c9a82c8fbda1e98c451e384e2.gif" alt="indets(F)" width="64" height="23"></p> <table> <tbody> <tr valign="baseline"> <td> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="center"><img style="vertical-align: -6;" src="/view.aspx?sf=140584/448278/40a1a0bbe87f3d64fb9fc34b2526e316.gif" alt="{H, K1, K2, K3, ks, w, ws, z1, z2, z3, zs, K2(1+(2*I)*z2)}" width="334" height="23"></p> </td> <td style="color: #000000; font-family: Times, serif; font-weight: bold; font-style: normal;" align="right">(2)</td> </tr> </tbody> </table> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="left"><span style="color: #000000; font-size: 100%; font-family: Times New Roman,serif; font-weight: normal; font-style: normal;">After replacing K2(1+(2*I)*z2) by K2*(1+(2*I)*z2) it works:</span><span style="color: #ff0000; font-size: 100%; font-family: Courier New,monospace; font-weight: bold; font-style: normal;"><br> </span><span style="color: #ff0000; font-size: 100%; font-family: Courier New,monospace; font-weight: bold; font-style: normal;">&nbsp;</span> <br> <img style="vertical-align: -41;" src="/view.aspx?sf=140584/448278/1d071a1c5c8283e0f0ee05877271a58a.gif" alt="G := 1+2*zs*I-w^2/ws^2-w^2*ks*(1+2*zs*I)*(K3*(1+2*z3*I)-H*K2*(1+2*z2*I)+H*(H*K1*(1+2*z1*I)-K2*(1+2*z2*I)))/(ws^2*(K1*(1+2*z1*I)*K3*(1+2*z3*I)-K2^2*(1+2*z2*I)^2))" width="600" height="71" align="middle"></p> <table> <tbody> <tr valign="baseline"> <td> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="center"><img style="vertical-align: -62;" src="/view.aspx?sf=140584/448278/2a0e063a9762cf27c9aef9053a4d712a.gif" alt="1+(2*I)*zs-w^2/ws^2-w^2*ks*(1+(2*I)*zs)*(K3*(1+(2*I)*z3)-H*K2*(1+(2*I)*z2)+H*(H*K1*(1+(2*I)*z1)-K2*(1+(2*I)*z2)))/(ws^2*(K1*(1+(2*I)*z1)*K3*(1+(2*I)*z3)-K2^2*(1+(2*I)*z2)^2))" width="546" height="92" align="middle"></p> </td> <td style="color: #000000; font-family: Times, serif; font-weight: bold; font-style: normal;" align="right">(3)</td> </tr> </tbody> </table> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="left"><span style="color: #ff0000; font-size: 100%; font-family: Courier New,monospace; font-weight: bold; font-style: normal;">&nbsp; </span><img style="vertical-align: -6;" src="/view.aspx?sf=140584/448278/26a5ab607b4c9fa99fdf98aba47bb843.gif" alt="evalc(Re(G))" width="85" height="23"></p> <table> <tbody> <tr valign="baseline"> <td> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="center"><img style="vertical-align: -141;" src="/view.aspx?sf=140584/448278/f97f61775eb822737ea80bd45de399d3.gif" alt="1-w^2/ws^2+(-w^2*ks*(K3-2*H*K2+H^2*K1)+2*w^2*ks*zs*(2*K3*z3-4*H*K2*z2+2*H^2*K1*z1))*(K1*K3-4*K1*K3*z1*z3-K2^2*(1-4*z2^2))/(ws^2*((K1*K3-4*K1*K3*z1*z3-K2^2*(1-4*z2^2))^2+(2*K1*K3*z3+2*K1*K3*z1-4*K2^2*z2)^2))+(-2*w^2*ks*zs*(K3-2*H*K2+H^2*K1)-w^2*ks*(2*K3*z3-4*H*K2*z2+2*H^2*K1*z1))*(2*K1*K3*z3+2*K1*K3*z1-4*K2^2*z2)/(ws^2*((K1*K3-4*K1*K3*z1*z3-K2^2*(1-4*z2^2))^2+(2*K1*K3*z3+2*K1*K3*z1-4*K2^2*z2)^2))" width="546" height="171" align="middle"></p> </td> <td style="color: #000000; font-family: Times, serif; font-weight: bold; font-style: normal;" align="right">(4)</td> </tr> </tbody> </table> <table> <tbody> <tr valign="baseline"> <td> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="center"><img style="vertical-align: -141;" src="/view.aspx?sf=140584/448278/3503db8507003905714aa9bb40850208.gif" alt="1-w^2/ws^2+(-w^2*ks*(K3-2*H*K2+H^2*K1)+2*w^2*ks*zs*(2*K3*z3-4*H*K2*z2+2*H^2*K1*z1))*(K1*K3-4*K1*K3*z1*z3-K2^2*(1-4*z2^2))/(ws^2*((K1*K3-4*K1*K3*z1*z3-K2^2*(1-4*z2^2))^2+(2*K1*K3*z3+2*K1*K3*z1-4*K2^2*z2)^2))+(-2*w^2*ks*zs*(K3-2*H*K2+H^2*K1)-w^2*ks*(2*K3*z3-4*H*K2*z2+2*H^2*K1*z1))*(2*K1*K3*z3+2*K1*K3*z1-4*K2^2*z2)/(ws^2*((K1*K3-4*K1*K3*z1*z3-K2^2*(1-4*z2^2))^2+(2*K1*K3*z3+2*K1*K3*z1-4*K2^2*z2)^2))" width="546" height="171" align="middle"></p> </td> <td style="color: #000000; font-family: Times, serif; font-weight: bold; font-style: normal;" align="right">(5)</td> </tr> </tbody> </table> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="left"><span style="color: #ff0000; font-size: 100%; font-family: Courier New,monospace; font-weight: bold; font-style: normal;">&nbsp; </span></p> <p style="margin: 0 0 0 0; padding-top: 0px; padding-bottom: 0px;" align="left"><img style="vertical-align: -6;" src="/view.aspx?sf=140584/448278/1ba363a7bb8f1d3d2940a15c07b8fa98.gif" alt="``" width="11" height="23"></p> </td> </tr> </tbody> </table> <input type="hidden" name="sequence" value="1"> <input type="hidden" name="cmd" value="none"></form> <p>&nbsp;</p> <p><a href="/view.aspx?sf=140584/448278/mult_sign.mw">Download mult_sign.mw</a></p> 140584 Tue, 20 Nov 2012 19:27:27 Z Markiyan Hirnyk Markiyan Hirnyk http://www.mapleprimes.com/questions/140576-Get-The-Imaginary-And-Real-Part-Of-A?ref=Feed:MaplePrimes:Get the imaginary and real part of a complex expression:Comments#comment140652 <p>Thank you!</p> <p>Thank you!</p> 140652 Wed, 21 Nov 2012 14:14:34 Z Bar_1984 Bar_1984 http://www.mapleprimes.com/questions/140576-Get-The-Imaginary-And-Real-Part-Of-A?ref=Feed:MaplePrimes:Get the imaginary and real part of a complex expression:Comments#comment140698 <p><a href="http://www.mapleprimes.com/questions/140576-Get-The-Imaginary-And-Real-Part-Of-A#comment140652">@Bar_1984</a> All pleasure is mine.</p> <p><a href="http://www.mapleprimes.com/questions/140576-Get-The-Imaginary-And-Real-Part-Of-A#comment140652">@Bar_1984</a> All pleasure is mine.</p> 140698 Thu, 22 Nov 2012 16:50:45 Z Markiyan Hirnyk Markiyan Hirnyk