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iif = @(varargin) varargin{2*find([varargin{1:2:end}], 1, 'first')}(); You use this function as. iif(condition_1,value_1,...,true,value_final) where you replace the dots with any number of additional condition/value pairs. The way this works is that it picks among the values the first one whose condition is true.
The simplest approach is to use an if or switch statement to check for a specific condition, and then issue an error or warning. For more information, see Issue Warnings and Errors. Another approach is to catch errors so that the program can continue.
if expression, statements, end evaluates an expression, and executes a group of statements when the expression is true. An expression is true when its result is nonempty and contains only nonzero elements (logical or real numeric). Otherwise, the expression is false. The elseif and else blocks are optional.
24 Ιουν 2022 · Subsection if, else with Error Checking. An if-else example with an error() message is given here.
elseif a == 30 % if else if condition is true. fprintf('Value of a is 30\n' ); else % if none of the conditions is true '. fprintf('None of the values are matching\n'); fprintf('Exact value of a is: %d\n', a ); end. When the above code is compiled and executed, it produces the following result −.
MATLAB and Octave have an advanced feature called try, catch that can be used in place the the error() function. It allows an error to be caught, the error message to be displayed, and the run to exit more gracefully.
using the elseif we are able to check another expression within the same block of condition, and this is not limited to one try: a = 25; if mod(a,2)==0. disp('a is even') elseif mod(a,3)==0. disp('3 is a divisor of a') elseif mod(a,5)==0. disp('5 is a divisor of a') end. OUTPUT: 5 is a divisor of a.