Initialize for-loop within if-statement

Question

Is it possible to have the start of a for-loop within an if-statement. For example:

if condition true 

    for j=1:10 

else % condition false

    for j=11:20

end % End of if-statement

    % inner part of for-loop

end % End of for-loop

I know this is not the most beautiful approach, but in some cases it might be easier than simple coding.

glglgl · Accepted Answer · 2016-11-07 13:37:08Z

6

No, that doesn't work.

But you can do

if condition
    range=1:10
else % condition false
    range=11:20
end % End of if-statement

for j=range
    % inner part of for-loop
end % End of for-loop

answered Nov 7, 2016 at 13:37

glglgl

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2 Comments

Dennis Jaheruddin Over a year ago

Nice solution. If things are more complicated (e.g. you may need to use both ranges sequentially) you can also just put the loop in a function, and call the function with the proper range at different spots.

glglgl Over a year ago

@DennisJaheruddin This is right, but is essentially a special version of this solution when/where range is a parameter of this function.

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