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if(1) Scilab Function if(1)
NAME
if then else - conditional execution
SYNTAX
if expr1 then statements
elseif expri then statements
....
else statements
end
DESCRIPTION
The if statement evaluates a logical expression and executes a group of
statements when the expression is true.
The expri are expressions with numeric or boolean values. If expri are
matrix valued the condition is true only if all matrix entries are true.
The optional elseif and else provide for the execution of alternate groups
of statements. An end keyword, which matches the if, terminates the last
group of statements. The line structure given above is not significant, the
only constraint is that each then keyword must be on the same line line as
its corresponding if or elseif keyword.
- The only constraint is that each then keyword must be on the same line
line as its corresponding if or elseif keyword.
- The keyword then can be replaced by a carriage return or a comma.
EXAMPLE
i=2
for j = 1:3,
if i == j then
a(i,j) = 2;
elseif abs(i-j) == 1 then
a(i,j) = -1;
else a(i,j) = 0;
end,
end
SEE ALSO
while, select, boolean, end, then, else
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