Because you don't explicitly have x values and you just want the y values. The linspace function produces an array or matrix filled with a requested number of numbers starting at a given value and ending at a given value. xp are the points you want to evaluate the function at. interp1 can be called in the following way (using linear interpolation): out interp1 (x, y, xp, 'linear') x are the x values and y are the y values for the control points. It is similar to the colon operator ':', but gives direct control over the number of points. With this format you'll have to do the calculations yourself-Personally I'd create a new object to do the whole thing for me and forget the for loop. As what Raab70 said, you can use interp1. linspace (MATLAB Functions) Generate linearly spaced vectors Syntax y linspace (a,b) y linspace (a,b,n) Description The linspace function generates linearly spaced vectors. lin en el nombre linspace se refiere a la generacin de valores espaciados linealmente en contraposicin a la funcin hermana logspace, que genera. The spacing between the points is (x2-x1)/ (n-1).
example y linspace (x1,x2,n) generates n points. linspace es similar al operador de dos puntos, :, pero da un control directo sobre el nmero de puntos y siempre incluye los puntos finales. linspace Generate linearly spaced vector collapse all in page Syntax y linspace (x1,x2) y linspace (x1,x2,n) Description example y linspace (x1,x2) returns a row vector of 100 evenly spaced points between x1 and x2. This should perfectly capture the control points (the dummy values of 1,2,3,4,5) as well as the values that you want to use to interpolate in between each of the control points. The three variable call will be quite a bit harder to emulate.įor instance, i think that linspace(1,30,60) should produce values 1, 1.5, 2, 2.5, 3, 3.5., or maybe that's the values for linspace(1,30,59)-either way, same problem. y linspace(x1,x2,n) genera n puntos.El espacio entre los puntos es (x2-x1)/(n-1). To create these 25 points, simply perform linspace from 1 up to 5 and specify that you want 25 points in between this interval.
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