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{SECT 0 {EXCHG {PARA 18 "" 0 "" {TEXT -1 31 " Solving Simultaneous Equ
ations" }}{PARA 258 "" 0 "" {TEXT -1 19 "Original Version:  " }{TEXT 
256 11 "Marie Baehr" }{TEXT -1 9 "  6/25/97" }}{PARA 259 "" 0 "" 
{TEXT -1 18 "Revised Version:  " }{TEXT 257 15 "Earl C. Swallow" }
{TEXT -1 11 "   10/11/99" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "
" 0 "" {TEXT -1 91 "This worksheet presents an example of solving simu
ltaneous linear equations with the Maple " }{TEXT 259 5 "solve" }
{TEXT -1 134 " command.  It has a WordPerfect document associated with
 it which describes the Physics associated with the equations in this \+
example." }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 
0 "" }}}{EXCHG {PARA 0 "" 0 "" {TEXT -1 96 "In general, the procedure \+
for solving any set of simultaneous equations (whether linear or not):
" }}{PARA 0 "" 0 "" {TEXT -1 1 " " }}{PARA 15 "" 0 "" {TEXT -1 63 "Wri
te down each equation, making sure to assign labels to them." }}{PARA 
15 "" 0 "" {TEXT -1 8 "Use the " }{TEXT 258 5 "solve" }{TEXT -1 13 " c
ommand (or " }{TEXT 260 6 "fsolve" }{TEXT -1 44 ", if appropriate) to \+
solve for the unknowns." }}{PARA 15 "" 0 "" {TEXT -1 170 " Check the s
olution(s) by substituting back into the original equations and making
 sure they are satisfied.  This step is particularly important for non
-linear equations." }{MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "" 0 "" 
{TEXT -1 0 "" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 8 "restart;" }}
}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 25 "eqn1:= -5*I1 + 3*I2 = -5;" 
}}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 26 "eqn2:= -3*I2 - 10*I3 = -2
;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 20 "eqn3:= I1 + I2 = I3;" 
}}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 35 "solve(\{eqn1,eqn2,eqn3\},
\{I1,I2,I3\});" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}
{EXCHG {PARA 0 "" 0 "" {TEXT -1 44 "I leave it to you to verify these \+
solutions." }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}{PARA 0 ">
 " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "
" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "> \+
" 0 "" {MPLTEXT 1 0 0 "" }}}}{MARK "13 0 0" 0 }{VIEWOPTS 1 1 0 1 1 
1803 }