Can't solve matrix dimension issue and define a variable.

Hello,

Can someone help me, how can I remove matrix dimension issue. The error is ''Undefined function or variable y''.

I want to use y data which is a vector (line-146) and is obtained/calculated in line-134.

y is not declared and I want to create it in the main code while calling and receiving the function.

I would be thank ful if anyone can edit the attached code.

Thanks

[Rik]

The original question from the Google cache (without the attachment):

Can't solve matrix dimension issue and define a variable.

Hello,

Can someone help me, how can I remove matrix dimension issue. The error is ''Undefined function or variable y''.

I want to use y data which is a vector (line-146) and is obtained/calculated in line-134.

y is not declared and I want to create it in the main code while calling and receiving the function.

I would be thank ful if anyone can edit the attached code.

Thanks

[Rena Berman]

(Answers Dev) Restored edit

Answer 1

[Sulaymon Eshkabilov]

Hi,

You need to pre-define y before x being computed. Otherwise, y can't be computed within your nested function.

[Walter Roberson]

The function basic is not a nested function, so it does not use shared variables.

The user needs to redefine function basic so as to pass in y.

See also http://www.mathworks.com/help/matlab/math/parameterizing-functions.html

[Zain]

Can you please do it, I tried but couldn't manage to implement it.

I'm a bit new to this.

Answer 2

[Walter Roberson]

Repaired function attached.

I also improved the main function so that x and y are returned if you assign the output of the function to something. For example

[x, y] = aaaaaa;