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找到约 10,000 项符合 E 的代码

e0458.m

x = 0:1; y1 = sin(x); y2=cos(x);xi = 0:.25:1; yi1 = interp1(x,y1,xi),yi2= interp1(x,y2,xi) %线性插值方法 yi1 = interp1(x,y1,xi,'nearest'),yi2= interp1(x,y2,xi,'nearest') %最邻近插值

e0424.m

a=[4 2 -6;7 5 4 ;3 4 9];R=rank(a) a=[5 4 -2 ;4 5 2;-2 2 8] ; R=rank(a)

e0447.m

a=[3 -2 1];b=[4 5 6];polyder(a,b)

e0421.m

A=[2 2 -1 1;4 3 -1 2;8 3 -3 4;3 3 -2 -2];b=[4 6 12 6]'; x=inv(A)*b

e0455.m

p=poly([1 2 3 4]), polyval(p,8)

e0459.m

x=linspace(1,3,10); y=exp(x); p=polyfit(x,y,4)

e0450.m

A=[1,8,0,0,-10];x=roots(A)

e0427.m

trace(magic(3)) %等价于sum(diag(magic(3)))

e0434.m

A=[1 1 -3 -1;3 -1 -3 4;1 5 -9 -8];b=[1 4 0]';B=[A b];n=4; X=ffsolvtion(A,b,n)

e0406.m

a = [1 2 3; 3 9 6; 4 10 8; 4 0 7]; cumsum(a)%求矩阵的各列元素的累加和 cumsum(a,2)%求矩阵的各行元素的累加和 cumprod(a) cumprod(a,1)%求矩阵的各列元素的累乘积 cumprod(a,2)%求矩阵的各行元素的累乘积