single precision data for griddata()
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roudan
am 16 Apr. 2018
Kommentiert: Guillaume
am 20 Sep. 2019
Hi
when I use griddata(x,y,v, xq,yq), x,y,v,xq,yq are all single-precision data to save the memory. but there is an error saying " the input points must be a double array.
However when I checked the online manual for griddata(). it says x,y,z, can be single or double https://www.mathworks.com/help/matlab/ref/griddata.html
So I am wondering how I can use single-precision data in griddata()?
Thanks
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Guillaume
am 16 Apr. 2018
Yes, it looks like an implementation bug or a documentation bug. The fault lies with scatteredInterpolant which is called by griddata. The doc says that scatteredInterpolant accepts single arrays when it clearly doesn't.
This is worthy a bug report to Mathworks.
It looks like you're out of luck, you can't use singles with griddata.
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Weitere Antworten (2)
Jyotish Robin
am 18 Apr. 2018
scatteredInterpolant does not support single inputs. This is a documentation bug and will be corrected.
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BISHNUPRIYA SAHOO
am 20 Sep. 2019
I am also facing similar problem. Please help me to solve.
1 Kommentar
Guillaume
am 20 Sep. 2019
similar problem to what?
As explained, single data is not supported with griddata. The simple fix is to convert your data to double.
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