MATLAB: I keep getting x as a single value output instead of an array of 14values..

array

below are my codes: i would like to obtain an array for 14values for my x but i keep getting a single value output for x instead. Can anyone kindly advise on where have i gone wrong here?

a=0.5483 b=0.3941 c=0.9837

wl=200:100:1500 k1=0.5543 k2=0.4212 k3=0.4531

x=((1+((a.*(wl).^2)/(((wl).^2)-((k1)^2)))+((b.*(wl).^2)/(((wl).^2)-((k2)^2)))+(c.*((wl).^2)/(((wl).^2)-((k3)^2))))).^0.5

Best Answer

Replace / by ./

x=((1+((a.*(wl).^2)./(((wl).^2)-((k1)^2)))+((b.*(wl).^2)./(((wl).^2)-((k2)^2)))+(c.*((wl).^2)./(((wl).^2)-((k3)^2))))).^0.5

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That code works fine pasted into the command line, provided that myCA is not already defined as something with a different shape.

You might also want to consider using cat(3, ....)

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The integral function will produce one value for the specific limits of integration. To create a vector from its outputs, a loop is necessary.

Try this:

fun = @(x) (x .* (exp(x) ./ (exp(x) - 1).^2) .* ((asind(0.0003 .* 1 .* x)).^2 ./ sqrt(1 - (0.0003 .* 1 .* x).^2)));
T = logspace(0, 3);
C = @(T) integral(fun, 0, 517.39 ./ T);
for k = 1:numel(T)
    Cint(k) = C(T(k));
end
figure
plot(T, Cint)
grid

Best Answer

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MATLAB: Create multidimensional array manually

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