MATLAB: How to do time warping in Matlab

time warpingwarping

Can someone help me to time warp these three equations: y1=(2.841e-07)*x.^4 – (4.937e-05)*x.^3 + (0.002619)*x.^2 + ( 0.01026)*x + 0.2813;

y2=(2.538e-07)*x.^4 + (-4.407e-05)*x.^3 + (0.002397)*x.^2 + (0.006693)*x + 0.6821;

y3= (1.298e-06)*x.^4 + (-0.0001621)*x.^3 + (0.006248)*x.^2 + (-0.01043)*x + 1.021;

Best Answer

If you have the Signal Processing Toolbox, try DTW.

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MATLAB: Does the dynamic time warping function of Matlab normalize for different dimensions before performing DTW

Not in DTW directly. FINDSIGNAL has a variant that calls DTW and it has some basic normalization.

MATLAB: How to run the loop 50 times and store the outputs

for x=(1:50)
fun(x)=52537*(((0.00001*x^4)-(0.0003*x^3)+(0.0093*x^2)-(0.0843*x)+(0.1721))*(0.1534*exp(-0.089*((x-9.911)^2)))+...
    ((0.00001*x^4)-(0.0003*x^3)+(0.0093*x^2)-(0.0843*x)+(0.1721))*(0.0175*exp(-0.215*((x-18.416)^2)))+...
    ((0.00001*x^4)-(0.0003*x^3)+(0.0093*x^2)-(0.0843*x)+(0.1721))*(0.0032*exp(-0.06*((x-21.173)^2))));
end
fun

Best Answer

Related Solutions

MATLAB: Does the dynamic time warping function of Matlab normalize for different dimensions before performing DTW

MATLAB: How to run the loop 50 times and store the outputs

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