Dynamical Memory Allocations of Arrays

• Dynamical allocation of one-dimensional array is easy:

• double *a; /* define a pointer */
  
  a = calloc(100,
  sizeof(double));
  /* memory for 100 elements of type double created */
  a[5] = 4.5; /* use a as an array */
  
  

• Dynamical allocation for two dimensional array, say b[100][30]?

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