Mon Jan 4 00:00:41 MET 1999
REDUCE 3.7, 15-Jan-99 ...
1: 1:
2: 2: 2: 2: 2: 2: 2: 2: 2:
3: 3: off echo,msg;
\documentstyle{article}
\begin{document}
\begin{displaymath}
\frac{a^{5}+5 a^{4} b+10 a^{3} b^{2}+10 a^{2} b^{3}+5 a b^{4}+b^{5}}{a^{4}-4 a
^{3} b+6 a^{2} b^{2}-4 a b^{3}+b^{4}}
\end{displaymath}
\begin{displaymath}
x=a^{3}+3 a^{2} b+3 a b^{2}+b^{3}
\end{displaymath}
\begin{displaymath}
\left\{
a^{3}+3 a^{2} b+3 a b^{2}+b^{3} , 3 \left(a^{2}+2 a b+b^{2}\right) , 6 \left(a
+b\right)
\right\}
\end{displaymath}
\begin{displaymath}
\left\{
\left\{
a , a^{3}+3 a^{2} b+3 a b^{2}+b^{3}
\right\} , a^{3}+3 a^{2} b+3 a b^{2}+b^{3}
\right\}
\end{displaymath}
\begin{verbatim}
REDUCE Input:
solve(a^7-13*a+5);
Unknown: a
\end{verbatim}
\begin{displaymath}
\left\{
a={\rm root\_of} \left(a\_^{7}-13 a\_+5,a\_,tag\_1\right)
\right\}
\end{displaymath}
\begin{verbatim}
REDUCE Input:
solve(a**(2*y)-3*a**y+2,y);
\end{verbatim}
\begin{displaymath}
\left\{
y=\left(2 {\rm arbint} _{2} i \pi +\log \,2\right)/\log \,a , y=\left(2
{\rm arbint} _{1} i \pi \right)/\log \,a
\right\}
\end{displaymath}
\begin{verbatim}
REDUCE Input:
off verbatim;
\end{verbatim}
\begin{displaymath}
3 \left(\frac{{\rm d}^{2}a}{{\rm d}c^{2}} a^{2}+2 \frac{{\rm d}^{2}a}{{\rm d}c
^{2}} a b+\frac{{\rm d}^{2}a}{{\rm d}c^{2}} b^{2}+2 \left(\frac{{\rm d}\,a}{
{\rm d}\,c}\right)^{2} a+2 \left(\frac{{\rm d}\,a}{{\rm d}\,c}\right)^{2} b
\right)
\end{displaymath}
\begin{displaymath}
\cos ^{2}\,\alpha +\sin ^{2}\,\alpha =1
\end{displaymath}
\begin{displaymath}
\sin \left(\alpha +\beta \right)=\cos \,\alpha \: \sin \,\beta \:+\cos \,
\beta \: \sin \,\alpha \:
\end{displaymath}
\begin{displaymath}
\frac{\partial \,{\bf \tilde{u}}^{e}}{\partial \,t}+c \frac{\partial ^{2}{\bf
\tilde{u}}^{e}}{\partial x^{2}}+b \frac{\partial \,{\bf \tilde{u}}^{i}}{
\partial \,x}={\bf f}^{e}
\end{displaymath}
\begin{displaymath}
\frac{{\bf \tilde{u}}^{e}_{j+1,k}-{\bf \tilde{u}}^{e}_{jk}}{\delta \,t}+c
\frac{{\bf \tilde{u}}^{e}_{j,k+1}-2 {\bf \tilde{u}}^{e}_{jk}+{\bf \tilde{u}}^{
e}_{j,k-1}}{\delta ^{2}\,x}+b \frac{{\bf \tilde{u}}^{i}_{j,k+1/2}-{\bf \tilde{
u}}^{i}_{j,k-1/2}}{\delta \,x}={\bf f}^{e}
\end{displaymath}
\begin{verbatim}
REDUCE Input:
product(k=1,2*n+1,f(2*i k+1)\(i(2*k+1)-1));
\end{verbatim}
\begin{displaymath}
\prod _{k=1}^{2 n+1}\frac{{\bf f}^{2 i_{k}+1}}{i_{2 k+1}-1}
\end{displaymath}
\begin{verbatim}
REDUCE Input:
int(u(e,j,k,x)*f(e,x),x);
\end{verbatim}
\begin{displaymath}
\int {\bf \tilde{u}}^{e}_{jk}\left(x\right) {\bf f}^{e}\left(x\right)\:d\,x
\end{displaymath}
\begin{verbatim}
REDUCE Input:
sum(i=0,n,sqrt u(e,i));
\end{verbatim}
\begin{displaymath}
\sum _{i=0}^{n}\sqrt {{\bf \tilde{u}}^{e}_{i}}
\end{displaymath}
\begin{verbatim}
REDUCE Input:
off latex,verbatim;
\end{verbatim}
\end{document}
4: 4: 4: 4: 4: 4: 4: 4: 4:
Time for test: 180 ms
5: 5:
Quitting
Mon Jan 4 00:00:48 MET 1999