It script "Laplace1.m" works without errors in matlab R2018b, but in Matlab R2019b gives the following error:

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Laplace.PNG

Answers (2)

Siriniharika Katukam
Siriniharika Katukam on 25 Feb 2020
Hi
When I tried running your code in 2018b and 2019b, I got the same error and found that it occurs in both the releases.

Steven Lord
Steven Lord on 25 Feb 2020
Nowhere in the code you've shown do you show the array place or the function place. [There is a place function in Control System Toolbox but I don't think that's what you're calling in this context.] If it's an array, look at the code that computes it to determine how an element becomes non-positive. If it's a function determine why it's returning a non-positive number.
You can set an error breakpoint to determine the specific indices or input arguments i, j, and n that result in the non-positive index.

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