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Error - MATLAB expression <output of myfunc> is not numeric

조회 수: 10 (최근 30일)
ARUN
ARUN 2021년 2월 15일
댓글: Walter Roberson 2021년 2월 15일
I am trying to pass a value from the python code to the Matlab function in simulink and I am getting the following error:
Error - MATLAB expression <output of myfunc> is not numeric.
Matlab function -
function y = fcn
y = 0;
coder.extrinsic('py.throttle.test')
y = py.throttle.test();
end
Python code(throttle.py)
def test():
throttle = 5
return throttle
any idea how this could be solved?
  댓글 수: 7
ARUN
ARUN 2021년 2월 15일
I am using MATLAB R2020b and Windows 10
Walter Roberson
Walter Roberson 2021년 2월 15일
filename = 'throttle.py';
[fid, msg] = fopen(filename, 'wt');
if fid < 0
error('Failed to open file "%s" because "%s"', filename, msg);
end
fprintf(fid, 'def test():\n');
fprintf(fid, ' throttle = 5\n');
fprintf(fid, ' return throttle\n');
fclose(fid)
ans = 0
y = py.throttle.test();
class(y)
ans = 'int64'
disp(y)
5
It works when I test on Mac or in MATLAB Online (which is Linux)

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