Can i call variable of another m file in GUI ?

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Jay Patel 2019-7-17

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/472047-can-i-call-variable-of-another-m-file-in-gui

编辑： Adam Danz 2019-7-23

Hello everyone,

i am designing a GUI for bellhop acoustic Toolbox, I m begineer in GUI designing. I wrote a program that can take few parameters as a input from user and run bellhop acoustic tool. I am wondering can i call variable of the another m file to GUI ? for example. If i want to take frequency as input parameter from user and put that user input frequency value to another m file and run bellhop when i press RunBellhop button ?

I am not sure how can i bind the variable of another m file to GUI ? Here I attach a screenshot of GUI and rough m file of GUI.

P.S. I am taking frequency input from user(GUI), writing that to another .m file and when i click on Run Bellhop button it should run below code

%=====================%
% Run Bellhop         %
%=====================%
wbellhopenvfil('munkp',case_title,source_data,surface_data,ssp_data,bottom_data,options);
bellhop munkp

and plot the output in space provided :

%=====================%
% Reading output      %
%=====================%
figure(2)
subplot(2,1,1)
counter = counter + 1 ; figure(counter)
plot( c , depths ), box on, grid on, view(0,-90)
xlabel('Sound speen (m/s)')
ylabel('Depth (m)')
title('Supply profile to bellhop')
subplot(2,1,2)
switch output_option 
case '''C'''
    plotshd( 'munkp.shd' ), box on, hold on
    plot(rati, zati)
    plot(rbty,zbty)
    %plotssp( 'munkp' )
    hold off
case '''E'''
    plotray( 'munkp' ), box on, hold on
    plot(rati, zati)
    plot(rbty,zbty)
    hold off
 case '''R'''
    plotray( 'munkp' ), box on, hold on
    plot(rati, zati)
    plot(rbty,zbty)
    hold off   
 case '''IB'''
    plotshd( 'munkp.shd' ), box on, hold on
    plot(rati, zati)
    plot(rbty,zbty)
    %plotssp( 'munkp' )
    hold off   
 otherwise
    disp('Unknown output option.')
end
disp('done.')

Thanks in advance.

bellhopGUI.m

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Adam Danz 2019-7-23

在 MATLAB Online 中打开

Nice work! Here are some recommendations

use str2double instead of str2num https://www.mathworks.com/matlabcentral/answers/52243-why-str2double-is-preferred-over-str2num
Unless 'test3.mat' is changed during the use of the GUI, just import that data once and use persistent variables (see block of code below).

% *not tested
persistent freq X %any other variable in the file that's needed
if isempty(freq)
    data = load('test3.mat','freq','X'); 
    freq = data.freq; 
    X = data.X; 
end