trying to use anonymous function but it returns too many input arguments

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I separately wrote the following function

function [func] = fwet_1(~)
func = @(gm1,Sc,Scmax) (Sc/Scmax)^gm1;
end

and when I to run

fwet_1(0.23,1,3)

it returns

Error using fwet_1

Too many input arguments.

any idea?

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Answer 1

Tunechi 2020-9-19

编辑：Tunechi 2020-9-20

在 MATLAB Online 中打开

0 个投票

I just got answer form stackoverflow answer by @Mad Physicist

fwet_1 takes up to 1 input. Your syntax is calling fwet_1 with three inputs, not the function handle it returns.

You can call the function handle like this:

x = fwet_1
x(0.23,1,3)

If your function really does nothing but return a function handle, skip the function entirely, or remove the unnecessary level of nesting. E.g.:

function [val] = fwet_1(gm1,Sc,Scmax)
val = (Sc/Scmax)^gm1;
end

If you need a function handle, just use @fwet_1. There's no difference between a regular function and an anonymous one when you pass it around.

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Steven Lord 2020-9-19

Technically fwet_1 accepts up to 1 input argument and if you pass something into it as an input argument it will ignore that input. If you don't pass anything into it, that's fine too.

Tunechi 2020-9-19

Thanks @Steven Lord

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