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help functionfunction is computing the two values there are two output arguments in the function header ie area amp circum that are placed in the
user-defined functionstherefore although many functions compute and return values some do not a few functions rather merely accomplish a task
types of user-defined functionswe know how to write a user-defined function stored in an m-file which computes and returns one value this is merely
user input in the while loophere is an illustration of running this scriptgtgt readonenumenter a positive number -5invalid enter a positive number
program to counting in a while loopthe script initializes variable counter to 0 then in the while loop action each and every time the user
use of while loophere is an illustration of calling the function passing 5000 for the value of the input argument highgtgt factgthigh5000ans 5040the
while loopsthe while statement is used as a conditional loop in matlab it is used to repeat an action whenever ahead of the time it is not known how
illustration of logical built-in functionsthe function find returns the indices of a vector which meet certain criteria for illustration to find all
logical built-in functionsthere are built-in functions in the matlab which are useful in conjunction with vectors or matrices of all logical true or
illustration of logical vectorscalling the function appears to return similar vector as simply vec gt 5 and summing the result still works to
example of vectorizinglikewise for an operation on a matrix a nested loop would be needed for illustration supposing a matrix variable matr c
vectorizingin most of the cases in matlab loops are not essential as matlab is written specifically to work with the vectors and matrices most
illustration of nested for loops and the if statementsfor illustrationwhen the file contains33 -11 2 4 5
illustration of nested loopsrunning the script shows the outputgtgt printstarsthe variable rows identifies the number of rows to print and the
for loops which do not use an iterator variable in the actionin all the illustrations that we seen so far the value of the loop variable has been
illustration of for loopillustration to print a column of numbers from 1 to 5for i 15fprintfdniend this loop can be entered in the command window
for loopthe for loop or the for statement is used whenever it is essential to repeat statements in the script or function and whenever it is known
looping statementsconsider the problem of computing the area of a circle with radius of 03 centimeters-a matlab program certainly is not required to
is functions in matlabthere are many functions which are built into matlab which test whether or not something is true these function names start
common form of the switch statementthe common form of the switch statement is as shown below switch switchexpression case caseexp1
the switch statementa switch statement can frequently used in place of a nested if-else or an if statement with numerous else if clauses the switch
use of nested if-else statementsby using the nested if-else to select from among the three possibilities not all the conditions should be tested in
nested if-else statementsthe if-else statement is used to select between the two statements in order to select from more than two statements the
the if-else statementthe if statement selects whether an action is executed or not selecting between the two actions or selecting from numerous
representing logical true and falseit has been stated that expressions which are theoretically true really have the integer value of 1 and