Sign-up for free online course on ANSYS simulations!| Include Page | ||||
|---|---|---|---|---|
|
The Need for Array Pre-Allocation
The MATLAB code analyzer produces two warnings about our x and t arrays changing size on every iteration as demonstrated in the video below.
...
| HTML |
|---|
<iframe width="600" height="450" src="//www.youtube.com/embed/iSVEN_feRKA?rel=0" frameborder="0" allowfullscreen></iframe> |
Pre-Allocation Procedure
We pre-allocate the x and t arrays using the zeros function as shown below.
| HTML |
|---|
<iframe width="600" height="338" src="//www.youtube.com/embed/BFR8WjtYwNg?rel=0" frameborder="0" allowfullscreen></iframe> |
Change in Run-Time due to Pre-Allocation
We next use the "profiler" in MATLAB to check how much the run-time decreases due to pre-allocation.
...