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• m2sci_if Conditionally execute statements
• m2sci_ifft Inverse discrete Fourier transform
• m2sci_imag Complex imaginary part
• m2sci_input Request user input
• m2sci_int16 Convert to 16-bit signed integer
• m2sci_int32 Convert to 32-bit signed integer
• m2sci_int8 Convert to 8-bit signed integer
• m2sci_interp1 One_dimension interpolation function
• m2sci_inv Matrix inverse
• m2sci_isa Detect an object of a given type
• m2sci_iscell Determine if input is a cell array
• m2sci_ischar Determine if item is a character array
• m2sci_isdir Determine if item is a directory
• m2sci_isempty True for empty matrix
• m2sci_isequal Determine if arrays are numerically equal
• m2sci_isfield Determine if input is a structure array field
• m2sci_isfinite True for finite elements
• m2sci_isglobal Determine if item is a global variable
• m2sci_ishandle Determines if values are valid graphics object handles
• m2sci_ishold Return hold state
• m2sci_isinf True for infinite elements
• m2sci_isinteger Detect whether an array has integer data type
• m2sci_isletter True for letters of the alphabet
• m2sci_islogical Determine if item is a logical array
• m2sci_isnan Detect NaN elements of an array
• m2sci_isnumeric Determine if input is a numeric array
• m2sci_ispc Determine if PC (Windows) version
• m2sci_isreal Determine if all array elements are real numbers
• m2sci_isscalar Determine if input is scalar
• m2sci_isspace Detect elements that are ASCII white spaces
• m2sci_isstr Determine if item is a character array
• m2sci_isstruct Determine if input is a structure array
• m2sci_isunix Determine if Unix version
• m2sci_isvector Determine if input is a vector
• m2sci_issparse Test if matrix is sparse