Here is the given code:
clear,clc;
L=4;
a=3;
b=1;
E=210E9;
I=285E-6;
P=20E3;
X=0,0.01,L;
for i==1:length(X);
if X(i)<a
Y(i)=p*(x(i).^2).*(3*a-X(i))./(6*E*I);
elseif
Y(i)=p*(a^2)*(3*X(i)-a)./(6*E*I);
end
plot(X,Y)
These are the errors in the code:
1)X=0,0.1,L
But it gives error.
Because X has to be given values in the range 0 to L with increment 0.1.but it cann't.so corret syntax for it is X=0:0.1:L.
2) for i==1:length(X)
But it gives error.
Because i==1 is used for equlity condition not for the assignmet to the range.
so correct syntax is for i=1:length(X)
3)
elseif
Y(i)=p*(a^2)*(3*X(i)-a)./(6*E*I);
But it gives error.
Because, elseif always require a condition to execute the statement.so here we se the correct control statement is else.
else
Y(i)=p*(a^2)*(3*X(i)-a)./(6*E*I);
4)
for i==1:length(X)
if X(i)<a
Y(i)=p*(x(i).^2).*(3*a-X(i))./(6*E*I);
else
Y(i)=p*(a^2)*(3*X(i)-a)./(6*E*I);
end
But it gives error.
Because we have end the for loop.but here we cant end the for loop.so we end after the for loop.
correct syntax is :
for i=1:length(X)
if X(i)<a
Y=p*(x(i)^2).*(3*a-X(i))./(6*E*I);
else
Y=p*(a^2)*(3*X(i)-a)./(6*E*I);
end
end
5) Y(i)=p*(x(i)^2).*(3*a-X(i))./(6*E*I);
here Y(i) is not required.so we use only Y.correct syntax is Y=p*(x(i)^2).*(3*a-X(i))./(6*E*I);
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