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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | #!F-adobe-helvetica-medium-r-normal--18*
#!N
#!CDarkGreen #!Rall534 Expression Assignments #!N #!EC #!N #!N The values for
the #!F-adobe-times-bold-i-normal--18* right-side #!EF portion of an expression assignment statement consist
of a sequence of constant values, variables, arithmetic expressions, and the
value #!F-adobe-times-bold-r-normal--18* NULL #!EF , separated by commas. The various values
need not be of the same kind, data type, or dimension.
#!N #!N The following examples all assign the value "A string"
to the variable #!F-adobe-times-bold-i-normal--18* a #!EF , the value 2.0 to
the variable #!F-adobe-times-bold-i-normal--18* b #!EF , and the value #!F-adobe-times-bold-r-normal--18* NULL
#!EF to the variable #!F-adobe-times-bold-i-normal--18* c #!EF . #!N #!N #!CForestGreen
#!N #!F-adobe-courier-bold-r-normal--18* #!N a = "A string"; // These 3 lines
#!N b := 2 * (2 - 1e0); // constitute a
single #!N c <- NULL; // example. #!N #!N #!N #!N
a, b, c = "A string", 2.0, NULL; #!N a, b,
c <- "A string", 5 / 2.5, NULL; #!N a, b,
c = "A string", 2.0; #!N a, b, c, d =
"A string", 2.0; #!N a, b, c, a = [[1 0][0
1]], 2.0, NULL, "A string", [1 2 3]; #!EF #!N #!N
#!EC #!N #!N The following example illustrates a simple way to
swap values: #!CForestGreen #!N #!N #!F-adobe-courier-bold-r-normal--18* #!N a = 2; #!N
b = 4; #!N c = 6; #!N d = 8;
#!N e = 10; #!N a, b = b, a; //
Values are swapped, so a = 4, b = 2 #!N
c, d, e = e, c, d; // c = 10,
d = 6, e = 8 #!EF #!N #!N #!EC #!N
#!N #!N #!F-adobe-times-medium-i-normal--18* Next Topic #!EF #!N #!N #!Lfuncall,dxall536 h Function Call Assignments #!EL #!N #!F-adobe-times-medium-i-normal--18*
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