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single precision data for griddata()

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roudan el 16 de Abr. de 2018
Comentada: Guillaume el 20 de Sept. de 2019
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
So I am wondering how I can use single-precision data in griddata()?

Respuesta aceptada

Guillaume el 16 de Abr. de 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.

Más respuestas (2)

Jyotish Robin
Jyotish Robin el 18 de Abr. de 2018

scatteredInterpolant does not support single inputs. This is a documentation bug and will be corrected.

BISHNUPRIYA SAHOO el 20 de Sept. de 2019
I am also facing similar problem. Please help me to solve.
  1 comentario
Guillaume el 20 de Sept. de 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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