Unrecognized function or variable
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rakesh kumar
il 3 Ott 2021
Commentato: Walter Roberson
il 3 Ott 2021
function [f]=fef1l(xl,xr)
% i .
% Purpose:
% element vector for f(x)=l
% using linear element
%
% Synopsis:
% [f]=fefll(xl,xr)
%
% Variable Description:
% f - element vector (size of 2x1)
% xl - coordinate value of the left node
% xr - coordinate value of the right node
% element vector
%
% eleng=xr-xl; % element length
f=[ eleng/2; eleng/2];
Error in fef1l (line 17)
f=[ eleng/2; eleng/2];
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Walter Roberson
il 3 Ott 2021
The line
% eleng=xr-xl;
should not be commented out. It should be
eleng=xr-xl;
2 Commenti
Walter Roberson
il 3 Ott 2021
You cannot run that code just by pressing the green Run button. When you just press the green Run button, MATLAB has no way of knowing where to look for values for xr and xl
You need to go to the command line and invoke the function passing in values, such as
result = fefll(0.3, 1.84)
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