hi

could you help me to solve this problem

dose the following problem has solution?and how can i write it in maple?

this is a problem 6 equation and 4 unknown variable

sys := 1.20710678118654752440084436211*x-.207106781186547524400844362106*y = 1, -1.20710678118654752440084436210*x+1.20710678118654752440084436210*z+.207106781186547524400844362105*y-.207106781186547524400844362105*w+1.61353108866376978508023871599*z-1.61353108866376978508023871599*w = 0, 1.41421356237309504880168872421*x-1.41421356237309504880168872421*z-1.41421356237309504880168872421*y+1.41421356237309504880168872421*w-1.37455258362134694054214893147*z-1.37455258362134694054214893147*w = 0, -1.20710678118654752440084436210*x-1.20710678118654752440084436210*z+.207106781186547524400844362105*y+.207106781186547524400844362105*w+.238978505042422844538089784517*x-.238978505042422844538089784517*y = 0, 1.41421356237309504880168872421*x+1.41421356237309504880168872421*z-1.41421356237309504880168872421*y-1.41421356237309504880168872421*w+1.37455258362134694054214893147*x-1.37455258362134694054214893147*x = 0

hi

i have n  initial condition like x(0)=a₀   ,x^'(0)=a₁       .....x^(n-1)(0)=a_n-1  and also n equations like S[i]. i d like to write following code in maple

S[i]- a_i-1  =0 for i=1,2,..,n

would you please help me how   should i  do it

thanks a lot

Hi
i have N+1 equation like following

i want to solve them. how can i do it?

i think i should first convert them to sequense and then use fsolve code ,but my code will get error!! could you help me?

thanks

Hi

i have vector like

Lambda := Vector[row](4, {(1) = *x[1]+.987329667009504589705605634543*x[2]-.436101517853804204529756811668*x[3]+.129526898189138290691985450717*x[4]-u[1], (2) = -1.90060788691970327587464611304*x[1]+.73919873843577037910167897814*x[2]+.20740624192749301981208286864*x[3]-0.45997093443560123039115733769e-1*x[4]-u[2], (3) = -.90583425825293904132909638808*x[1]-.63522563126813377056284195404*x[2]+.28771415757341360851847098373*x[3]+.25334573194765920337346735830*x[4]-u[3], (4) = -1.09745135827817665891430946698*x[1]+.3569463183370574834390092104*x[2]-1.0463476282509211343139483201*x[3]+.78685266819204030978924857651*x[4]-u[4]})

i want to set 2 column till 4 equal zero, i mean

-1.90060788691970327587464611304*x[1]+.73919873843577037910167897814*x[2]+.20740624192749301981208286864*x[3]-0.45997093443560123039115733769e-1*x[4]-u[2]=0

-.90583425825293904132909638808*x[1]-.63522563126813377056284195404*x[2]+.28771415757341360851847098373*x[3]+.25334573194765920337346735830*x[4]-u[3]=0...

how can i do it

thanks

Hi

i have a matrix in terms of variable t. i was wondering how  can i calculate the (n) derivative of a matrix in maple ?

thanks