Open in MATLAB Online I have "X" and "Y" data. "Y" is complex. I use the INTERP1 function with cubic interpolation to interpolate the data as follows: ThemeCopy Y_cubic = interp1(X,Y,Xi,'cubic'); plot(X,abs(Y),'b',Xi,abs(Y_cubic),'r') In the ...
在帮助文件里面提到 method是取以下五个中的一个的'nearest'Nearest neighbor interpolation'linear'Linear interpolation (default)'spline'Cubic spline interpolation'pchip'Piecewise cubic Hermite interpolation'cubic'(Same as 'pchip')'v5cubic'Cubic interpolation used in MATLAB 5. This method does no...
Matlab一维插值interp1例子及可视拟合界面 热度: interp1(interp1) functionvarargout=interp1(varargin) %interp11-dinterpolation(tablelookup) yiinterp1%=(x,y,xi)interpolatestofindyi,thevaluesofthe %underlyingfunctionyatthepointsinthearrayxi.xmustbea ...
Interpolate the function at the query points and plot the result. Get figure vq1 = interp1(x,v,xq); plot(x,v,'o',xq,vq1,':.'); xlim([0 2*pi]); title('(Default) Linear Interpolation'); Now evaluate v at the same points using the 'spline' method. Get figure vq2 = int...
Interpolate the function at the query points and plot the result. Get figure vq1 = interp1(x,v,xq); plot(x,v,'o',xq,vq1,':.'); xlim([0 2*pi]); title('(Default) Linear Interpolation'); Now evaluate v at the same points using the 'spline' method. Get figure vq2 = int...
objnew= rfinterp1(objold,newfreq)interpolates the network parameter data inobjoldat the specified frequencies,newfreq, storing the results inobjnew.rfinterp1uses the MATLAB®functioninterp1to interpolate each individual(i,j)parameter ofobjoldto the new frequencies. ...
问此Matlab函数体有效，但函数本身无效(interp1错误)EN插值法又称“内插法”，是利用函数f (x)在某...
Interp1 draws segments between succesive points. If there are two points with the same ordinate, the problem is which one to choose? It's a decision matlab can't do for you. Depending on your problem, you can select to use the minimum, the maximum, the median, etc... For that you ...
Open in MATLAB Online ThemeCopy % Current date = June 03, 2020 % Matlab version = 9.6.0.1072779 (R2019a) % User name = Nikolaus Koopmann function [yq,p] = interp1_lin(x,y,xq) validateattributes(x,{'double'},{'increasing','vector'}) % slow %% lin. regr. X = [ones(length(x...
Define a set of function values. v = [0 1.41 2 1.41 0 -1.41 -2 -1.41 0]; Define a set of query points that fall between the default points,1:9. In this case, the default points are1:9becausevcontains9values. xq = 1.5:8.5; ...