matlab 中的interp1答:插值分内插和外插。如果要求xx对应的yy的值,若此xx在你的x范围内,应当算是内插。比如2.9就是在x=[1,2,3]内,它应当是内插。内插matlab有好多种方法。以下几个都可以。z=interp1(x,y,2.9,'nearest')z=interp1(x,y,2.9,'linear')z=interp1(x,y,2.9,'spline')z=interp1(x,...
matlab中利用分段线性插值求值答:用分段线性插值函数 interp1(),求得在深度500m,1000m,1500m处的水温 A=[446 7.04; 714 4.28;950 3.4;1422 2,54;1634 2.13]y=interp1(A(:,1),A(:,2),500)y = 6.483880597014926 y=interp1(A(:,1),A(:,2),1000)y = 3.308898305084746 y=interp1(A(:,1),A(:,2)...
插值的编程使用答:matlab中使用插值函数插值函数(the function of interpolation )interp1调用函数的格式(Syntax)yi = interp1(x,Y,xi)yi = interp1(Y,xi)yi = interp1(x,Y,xi,method)yi = interp1(x,Y,xi,method,'extrap')yi = interp1(x,Y,xi,method,extrapval)pp = interp1(x,Y,method,'pp')调用...