How can I replace roundn?

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FPMONT
FPMONT 2015-7-22
评论： Star Strider 2015-7-22
My Matlab version is R2014a, I need a replacement for the function roundn that was common in the matlab previous versions, but not more recognized for the 2014 version. Part of my code is: drawLine([0 roundn(max(z1),2)+100], [0 min(z1)]); hold on; ps: z1 is 2601x1double

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Star Strider
Star Strider 2015-7-22
MATLAB has always had a round function, recently incorporating the functionality of roundn from the MApping Toolbox.
You can create your own version with this anonymous function:
roundn = @(x,n) 10.^n .* round(x/10.^n);
It produced the same answer for the same input as the example in the documentation for it when I tested it, so it should be a seamless replacement.
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FPMONT
FPMONT 2015-7-22
Thank you Star Strider, the code is fixed!

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