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advanced file input and outputin that section we saw how to read the values entered by user using the input as well as the output functions disp and
initializing the data structure - functionfunction is shown as gtgt printcylvolscylscylinder x has a volume of 1696cylinder a has a volume of
illustration of initializing the data structureillustration of initializing the data structure by preallocating is here as showngtgt cyls3
technique to create nested structuresthis technique is the most proficient though the other technique is to build the nested structure one field at a
variable packagesvariable packages are now the vector of structures hence each and every element in the vector is a structure to show one element in
technique is to create one element - vectortechnique is to create one element with the values from one structure and use repmat to replicate it to
illustration of vectors of structuresin this illustration the packages are vector which has three elements it is shown as a column vector each and
function fieldnames - structure functionsthe function fieldnames will return the names of the fields which are contained in the structure
related structure functionsthere are many functions which can be used with structures in a matlab the function isstruct will return 1 for logical
function rmfield - structurethe function rmfield eliminates a field from the structure it returns a new structure with field eliminated but does not
print from the structureto print from the structure a disp function will show either the whole structure or a fieldgtgt disppackageitemno 123cost
technique to creating this structurean alternative technique of creating this structure that is not as efficient includes using the dot operator to
creating the structure variablescreating a structure variable can be accomplished by simply storing the values in fields by using assignment
structuresthe structures are data structures which group together values which are logically related in what are known as the fields of structure the
function iscellstr - string functionthe function iscellstr will return the logical true when a cell array is a cell array of all the strings or
storing strings in cell arraysthe one good application of a cell array is to store strings of various lengths as cell arrays can store various types
function cellplot - cell arraythe function cellplot place a graphical display of the cell array in a figure window though it is a high-level view and
displaying the cell arraysthere are several techniques of displaying the cell arrays the celldisp function shows all elements of the cell
referring to and showing cell array elements and attributesjust as with the other vectors we can refer to individual elements of the cell arrays the
creating a cell arraythe other method of creating a cell array is easy to assign values to particular array elements and build it up element by
creating cell arraysthere are many ways to create cell arrays for illustration we will create a cell array in which one element will store an integer
data structuresthe data structures are variables which store more than one value in order to made sense to store more than one value in a variable
str2num function - stringthe function str2num does the opposite it takes the string in which a number is stored and converts it to the type
num2str functionthe num2str function that converts real numbers can be called in many ways if only the real number is passed to the num2str function
converting between the string and number typesthe matlab has many functions which convert numbers to strings in which each character element is a