%\begin{center} \begin{texdraw} %\setunitscale 0.3 \drawdim in \linewd 0.015 \setunitscale 0.7 \arrowheadtype t:F \arrowheadsize l:0.16 w:0.08 %begin line \move(0.86 -0.20) \lvec(3.92 -2.12) %end line %begin line \move(3.92 -2.12) \lvec(4.94 -2.12) %end line %begin line \move(3.92 -2.12) \lvec(3.92 -2.63) %end line %begin textrectangle \textref h:C v:C \htext (1.31 -0.24){$s_{1}$} %end textrectangle %begin textrectangle \textref h:C v:C \htext (4.51 -0.18){$a_1^T$} %end textrectangle %begin textrectangle \textref h:C v:C \htext (2.13 -0.75){$s_{2}$} %end textrectangle %begin textrectangle \textref h:C v:C \htext (4.51 -0.7){$a_2^T$} %end textrectangle %begin textrectangle \textref h:C v:C \htext (2.95 -1.26){$\ddots$} %end textrectangle %begin textrectangle \textref h:C v:C \htext (4.51 -1.25){$\vdots$} %end textrectangle %begin textrectangle \textref h:C v:C \htext (3.75 -1.77){$s_{k}$} %end textrectangle %begin textrectangle \textref h:C v:C \htext (4.52 -1.72){$a_k^T$} %end textrectangle %begin textrectangle \textref h:C v:C \htext (4.54 -2.38){$A_{k+1}$} %end textrectangle %begin textrectangle \textref h:C v:C \htext (1.88 -1.87){\Large $\boldsymbol{0}$} %end textrectangle %begin textrectangle \textref h:C v:C \htext (0.18 -1.35){$T^{(k)}A=$} %end textrectangle %begin line \move(0.77 -0.02) \lvec(0.77 -2.67) %end line %begin line \move(5.03 -0.02) \lvec(5.03 -2.67) %end line %begin line \move(4.92 -0.03) \lvec(5.03 -0.03) %end line %begin line \move(0.78 -2.67) \lvec(0.89 -2.67) %end line %begin line \move(0.77 -0.02) \lvec(0.88 -0.02) %end line %begin line \move(4.92 -2.67) \lvec(5.03 -2.67) %end line % \end{texdraw} %\end{center}