Some of them require an additional value to be supplied right after theĪll values are greater than or equal to the following value inĪll values are greater than the following value in attributes.Ī 2-dimensional matrix. Numeric value comprising either a floating point or integer value.Īttributes must be a cell array with names of checks for A. Integer value comprising classes (u)int8, (u)int16, (u)int32, (u)int64. In addition to the class name, the following categoriesįloating point value comprising classes "double" and The argument name arg_name, and its position in the inputĬlasses must be a cell array of strings (an empty cell array isĪllowed) with the name of classes (remember that a class name is case Message can be made further complete by the function name fun_name, If it does not,Īn error is thrown, with a message formatted accordingly. See also: strcmp, strcmpi, validateattributes, inputParser.įunction File: validateattributes ( A, classes, attributes) Function File: validateattributes ( A, classes, attributes, arg_idx) Function File: validateattributes ( A, classes, attributes, func_name) Function File: validateattributes ( A, classes, attributes, func_name, arg_name) Function File: validateattributes ( A, classes, attributes, func_name, arg_name, arg_idx)Ĭonfirms that the argument A is valid by belonging to one ofĬlasses, and holding all of the attributes. ⇒ error: validatestring: multiple unique matches were found for 'b': The additional inputs funcname, varname, and positionĪre optional and will make any generated validation error message more Otherwise, an error will be raisedīecause the expansion of str is ambiguous. There are multiple matches, the shortest match will be returned if all This is useful for both verifyingĪnd expanding short options, such as "r", to their longer forms, Of str where validation is defined as str being a member When str is a character string to be tested, and strarray is aĬellstr of valid values, then validstr will be the validated form Verify that str is an element, or substring of an element, in Validateattributes for numeric arguments.įunction File: validstr = validatestring ( str, strarray) Function File: validstr = validatestring ( str, strarray, funcname) Function File: validstr = validatestring ( str, strarray, funcname, varname) Function File: validstr = validatestring (…, position) Validatestring is used for string arguments and See also: narginchk, error, nargout, nargin.īesides the number of arguments, inputs can be checked for various properties. To a function is within an acceptable range. This is useful for checking to that the number of output arguments supplied Message string (or structure) if the number of outputs requested is Zero, Inf,Īnd negative are all valid, and they can have the same value.įor backwards compatibility, the other forms return an appropriate error Note that thisįunction evaluates the value of nargout on the caller so its valueīoth minargs and maxargs must be numeric scalars. In the first form, return an error if the number of arguments is not between See also: nargoutchk, error, nargout, nargin.įunction File: nargoutchk ( minargs, maxargs) Function File: msgstr = nargoutchk ( minargs, maxargs, nargs) Function File: msgstr = nargoutchk ( minargs, maxargs, nargs, "string") Function File: msgstruct = nargoutchk ( minargs, maxargs, nargs, "struct")Ĭheck for correct number of output arguments. Note that this function evaluates nargin on the caller. Inf, and negative values are all allowed, and minargs and maxargs Otherwise, do nothing.īoth minargs and maxargs must be scalar numeric values. Is outside the range minargs and maxargs. Generate an error message if the number of arguments in the calling function Way to call the function whenever the number of inputs is wrong.įor compatibility with MATLAB, narginchk and nargoutchk areĪvailable which provide similar error checking.įunction File: narginchk ( minargs, maxargs)Ĭheck for correct number of input arguments. Which stops the function execution and prints a message about the correct ForĮxample, when finding the indices of the maximum entry of a matrix, the The intended use nthargout is to avoid intermediate variables. Indices of the output, in which case the output will be a cell array of the Number of arguments to call func with can be passed in ntot byĭefault ntot is n. Return the nth output argument of the function specified by theĪny additional arguments are passed directly to func. Of the return values or several at once in a cell array.įunction File: nthargout ( n, func, …) Function File: nthargout ( n, ntot, func, …) It is possible to use the nthargout function to obtain only some The values to be returned may not have compatibleĭimensions, and it is often desirable to give the individual return In this particular case, the two values could have been returned asĮlements of a single array, but that is not always possible orĬonvenient.
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