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{SECT 0 {EXCHG {PARA 256 "" 0 "" {TEXT -1 39 "Mathematical Infrastruct
ure -- Matrices" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" 
{TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 54 "In Maple each row of a ma
trix is entered in the form  " }{TEXT 256 13 "[a, b, ... c]" }{TEXT 
-1 115 "  with its entries separated by commas and enclosed by square \+
brackets.  The entire matrix is entered in the form  " }{TEXT 257 17 "
[[a, b], [c, d]] " }{TEXT -1 111 "with its rows separated by commas an
d enclosed by square brackets.  The cell below illustrates this notati
on.  " }{TEXT 261 16 "Evaluate it now." }{TEXT -1 1 "\n" }}}{EXCHG 
{PARA 0 "> " 0 "" {MPLTEXT 1 0 28 "A := [[1, 2, 3], [4, 5, 6]];" }}}
{EXCHG {PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 118 "M
aple uses the usual mathematical notation for adding matrices or multi
plying a matrix by a scalar together with the  " }{TEXT 258 5 "evalm" 
}{TEXT -1 40 "  procedure as shown in the cell below. " }{TEXT 259 21 
" Evaluate the cell no" }{TEXT -1 16 "w. Notice that  " }{TEXT 260 5 "
evalm" }{TEXT -1 72 "  carries out the computations and displays the r
esult in a nice format." }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}}{EXCHG 
{PARA 0 "> " 0 "" {MPLTEXT 1 0 67 "B := [[3, 1, 5], [7, -1, 3]];\neval
m(B);\nevalm(A + B);\nevalm(2 * A);" }}}}{MARK "3 0 0" 67 }{VIEWOPTS 
1 1 0 1 1 1803 }