https://www.ptcusercommunity.com/t5/Mathcad/Cross-product-matrix/m-p/876567#M206773 <P>The most simple way IMHO would be to write a small custom programmed function with two arguments (a 3x1 vector and a 3xn matrix) which cycles through the columns of the matrix and does the job.</P> <P>Something like</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Werner_E_0-1684754124224.png" style="width: 602px;"><img src="https://www.ptcusercommunity.com/t5/image/serverpage/image-id/82372i034925CCD3652E6C/image-dimensions/602x349?v=v2" width="602" height="349" role="button" title="Werner_E_0-1684754124224.png" alt="Werner_E_0-1684754124224.png" /></span></P> <P>&nbsp;</P> Mon, 22 May 2023 11:15:35 GMT Werner_E 2023-05-22T11:15:35Z https://www.ptcusercommunity.com/t5/Mathcad/Cross-product-matrix/m-p/876564#M206771 <P>Hi,&nbsp;<BR /><BR />is there a form of executing a cross product of one vector and the various vectors of a matrix.?<BR />Something like this, in matrix form:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="JP_9979155_0-1684752720442.png" style="width: 400px;"><img src="https://www.ptcusercommunity.com/t5/image/serverpage/image-id/82371i75BB5E0838B7D776/image-size/medium?v=v2&amp;px=400" role="button" title="JP_9979155_0-1684752720442.png" alt="JP_9979155_0-1684752720442.png" /></span></P><P>cheers!<BR />Juan</P><P><FONT color="headerbuttontrackingcode">&nbsp;</FONT></P><P><FONT color="headerbuttontrackingcode">&nbsp;</FONT></P><P><FONT color="headerbuttontrackingcode">&nbsp;</FONT></P><P><FONT color="headerbuttontrackingcode">&nbsp;</FONT></P><P><FONT color="headerbuttontrackingcode">&nbsp;</FONT></P><P><FONT color="headerbuttontrackingcode">&nbsp;</FONT></P> Mon, 22 May 2023 10:54:47 GMT https://www.ptcusercommunity.com/t5/Mathcad/Cross-product-matrix/m-p/876564#M206771 JP_9979155 2023-05-22T10:54:47Z https://www.ptcusercommunity.com/t5/Mathcad/Cross-product-matrix/m-p/876567#M206773 <P>The most simple way IMHO would be to write a small custom programmed function with two arguments (a 3x1 vector and a 3xn matrix) which cycles through the columns of the matrix and does the job.</P> <P>Something like</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Werner_E_0-1684754124224.png" style="width: 602px;"><img src="https://www.ptcusercommunity.com/t5/image/serverpage/image-id/82372i034925CCD3652E6C/image-dimensions/602x349?v=v2" width="602" height="349" role="button" title="Werner_E_0-1684754124224.png" alt="Werner_E_0-1684754124224.png" /></span></P> <P>&nbsp;</P> Mon, 22 May 2023 11:15:35 GMT https://www.ptcusercommunity.com/t5/Mathcad/Cross-product-matrix/m-p/876567#M206773 Werner_E 2023-05-22T11:15:35Z https://www.ptcusercommunity.com/t5/Mathcad/Cross-product-matrix/m-p/876572#M206774 <P>Well, normally</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Fred_Kohlhepp_0-1684754298494.png" style="width: 400px;"><img src="https://www.ptcusercommunity.com/t5/image/serverpage/image-id/82373i1B01165D689A0F41/image-size/medium?v=v2&amp;px=400" role="button" title="Fred_Kohlhepp_0-1684754298494.png" alt="Fred_Kohlhepp_0-1684754298494.png" /></span></P> <P>But we can&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Fred_Kohlhepp_1-1684754350399.png" style="width: 400px;"><img src="https://www.ptcusercommunity.com/t5/image/serverpage/image-id/82374iBECC77B1D45A934C/image-size/medium?v=v2&amp;px=400" role="button" title="Fred_Kohlhepp_1-1684754350399.png" alt="Fred_Kohlhepp_1-1684754350399.png" /></span></P> <P>Not sure why you would want to, . . . .</P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 22 May 2023 11:19:52 GMT https://www.ptcusercommunity.com/t5/Mathcad/Cross-product-matrix/m-p/876572#M206774 Fred_Kohlhepp 2023-05-22T11:19:52Z