how to assign array values at running time in matlab

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live to l e a r n MATLAB 2012-9-22

0
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https://ww2.mathworks.cn/matlabcentral/answers/48791-how-to-assign-array-values-at-running-time-in-matlab

 for example this my c code and how can i write in matalb 
main( )
{
int avg, sum = 0 ;
int i ;
int marks[30] ; /* array declaration */
for ( i = 0 ; i <= 29 ; i++ )
{
printf ( "\nEnter marks " ) ;
scanf ( "%d", &marks[i] ) ; /* store data in array */
}
for ( i = 0 ; i <= 29 ; i++ )
sum = sum + marks[i] ; /* read data from an array*/
avg = sum / 30 ;
printf ( "\nAverage marks = %d", avg ) ;
}

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live to l e a r n MATLAB 2012-9-22

Am asked about how to store the dates in array while running time, read data from an array

in c we have

for ( i = 0 ; i <= 29 ; i++ ) { printf ( "\nEnter marks " ) ; scanf ( "%d", &marks[i] ) ; /* store data in array / } for ( i = 0 ; i <= 29 ; i++ ) sum = sum + marks[i] ; / read data from an array*/

avg = sum / 30 ; printf ( "\nAverage marks = %d", avg ) ; }

it means my question is this are my elements 1 8 9 12 15 .and now how write and read in arrays

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