MATLAB COMPILER RELEASE NOTES User's Guide download pdf (Page 222)

R2012a

7-12

Functionality What Happens

When You

Use This

Functionality

Use This Instead Compatibility Considerations

interp1(X, Y, Xq,

[], ...) where []

specifies the default

interpolation method

Still Runs interp1(X, Y, Xq,

'linear', ...)

Replace all instances

of interp1(X, Y,

Xq, [], ...) with

interp1(X, Y, Xq,

'linear', ...).

interp1(x,V,..)

where x is a vector

and V is an array

representing multiple

value sets. For

example:

x = (1:5)';

V = [x, 2*x, 3*x];

xq = (1:0.5:5)';

Vq = interp1(x, V, xq);

Still Runs Use griddedInterpolant

and loop over each value set,

updating and evaluating

during each iteration.

Replace all instances of

interp1(x,V,...),

where x is a vector and V

is an array representing

multiple value sets.

Loop over V, calling

griddedInterpolant

on each value set. The

following example code

shows how to set up and

interpolate over three value

sets in V :

x = (1:5)';

V = [x, 2*x, 3*x];

xq = (1:0.5:5)';

F =

griddedInterpolant(x,

V(:,1));

for n=1:3

F.Values = V(:, n);

Vq(:, n) = F(xq);

end

The columns of Vq are the

interpolation results for the

corresponding columns of V.

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