How to insert variables (string) in MATLAB function
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function R=rotmatx(axis,q)
if axis=='x'
R=[1 0 0;0 cos(q) -sin(q); 0 sin(q) cos(q)];
elseif axis=='y'
R=[cos(q) 0 sin(q); 0 1 0; -sin(q) 0 cos(q)];
elseif axis=='z'
R=[cos(q) -sin(q) 0;-sin(q) cos(q) 0; 0 0 1];
else
fprintf('invalid axis');
end
so, i want the output when i call this function
rotmatx('x','t')
the output should be
[1, 0, 0]
[0, cos(t), -sin(t)]
[0, sin(t), cos(t)]
but there is error.
Can someone please help me out for this.
Thank You.
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Réponse acceptée
Walter Roberson
le 25 Oct 2021
rotmatx('y', 'p')
rotmatx('z', pi/6)
function R=rotmatx(axis,q)
Q = sym(q);
if axis=='x'
R=[1 0 0;0 cos(Q) -sin(Q); 0 sin(Q) cos(Q)];
elseif axis=='y'
R=[cos(Q) 0 sin(Q); 0 1 0; -sin(Q) 0 cos(Q)];
elseif axis=='z'
R=[cos(Q) -sin(Q) 0;-sin(Q) cos(Q) 0; 0 0 1];
else
fprintf('invalid axis');
end
end
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