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Continue instructs Matlab to skip directly to the next iteration of the current loop without executing the lines directly below the continue command. We can terminate for loops early in several ways. end % both i and A can then be accessed outside the loop.
Else if matlab code#
n = ceil(100*rand) % can be set dynamicallyĪ = zeros(n,1) % improve speed by preallocating space for i=1:n % set i = 1, then loop and increment i by 1, until i = nĪ(i,1) = max(i,50) % execute code within the loop - usually depends on i. That number can be determined dynamically as the program runs. Switch color % switching variable case 'red'Ĭase % either 'green' or 'purple'įor loops allow you to execute a block of code a specified number of times. As such, break statements are not necessary. Note that unlike languages such as C or java, switch statements do not fall through that is, the code from, (at most), one case statement is executed. Switch statements can be replaced by a long series of if-else statements but this usually results in less readable code. Most commonly, this value is an integer or a string. Switch statements are useful when what code to execute depends on a variable that takes on a countable number of values.
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A=1 executed if test1 is true if(test1)Ī = 3 % executed if test1 = false end if(test1)Ī = 3 % executed if test1 = true elseif(test2)Ī = 4 % executed if test1 = false and test2 = true elseif(test3)Ī = 5 % executed if test1 = false, test2 = false, test3 = true elseĪ = 6 % executed if test1=test2=test3=false endĪll if statements must end with an end statement. If(test1), A = 1 end % simple if statement on one line. Matlab if statements allow you to execute different code depending on the current state of the program, i.e.