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I followed the instructions for Interactive Fitting (http://ww​w.mathwork​s.com/help​/matlab/da​ta_analysi​s/interact​ive-fittin​g.html#bsw​ij4t) the generated function will not accept variables of types double or single - why?

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Linda Head il 30 Giu 2016
Chiuso: MATLAB Answer Bot il 20 Ago 2021
I am using data that is generated from measurements of pupil diameter vs. light levels. The step that generates a .m file for the function works fine and I renamed the function but when i enter the X1 and Y1 vectors and attempt to run the function I get the following error for either single or double type data variables. What type should be used?
Undefined function 'LDvslnlux' for input arguments of type 'single'.
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Tien Tran il 30 Giu 2016
Can you send the link again? I still don't understand your question

Risposte (2)

Tien Tran il 1 Lug 2016
Hi Linda When you generate a code file, you can use as following: We have a function Linda(X1, Y1, valuesToEvaluate1), so, you can write Linda(x,y,10) on the Command Window with x, y are new data and having the same size, 10 is an x-value for a marker. The new plot matches the appearance of the figure from which you generated code except for the y data values
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Linda Head il 1 Lug 2016
This is exactly what I did but I get the error that the function will not accept input arguments (X1, Y1) that are of type 'single' or of type 'double' - what type should I use?
Tien Tran il 1 Lug 2016
Modificato: Tien Tran il 1 Lug 2016
For example:
You type a syntax: Linda(randn(20,1),10*randn(20,1),9) on the Command Window
It will generate a new plot that fit with your new data (X1 = randn(20,1); and Y1 = 10*randn(20,1) ); X1 and Y1 are a cell array not a single or double point.

Walter Roberson il 1 Lug 2016
is not the name of any Mathworks provided function, and it is not part of the File Exchange either. It does not seem to be anywhere else on the Internet.
You mentioned renaming a function. If you renamed it to LDvslnlux then make sure your file begins
function LDvslnlux
(possibly with some parameters)
and make sure that it is stored in LDvslnlux.m . Watch out, for example, for 1 (the digit) comared to l (lower-case L) and note that if your named your file ldvslnlux.m instead then the file would not be considered to match the function name LDvslnlux
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Linda Head il 1 Lug 2016
Thank you for your comments - the function will not run regardless of what i name it and save it as - i still get the error:
Undefined function 'createfigure' for input arguments of type 'double'.
I will delete and start over, maybe I made a mistake elsewhere. Thanks, Linda

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