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内容简介作者简介 - 科学与工程计算系

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f2=R_A_C{1,3}<br />

class(f2)<br />

f2 =<br />

sin(-3*t)*exp(-t)<br />

ans =<br />

sym<br />

(3)<br />

f3=R_A_C{1,1}(:,[1 2 5 6])<br />

f3 =<br />

这是<br />

元胞创建<br />

(4)<br />

[f4,f5,f6]=deal(R_A_C{[1,3,4]})<br />

f4 =<br />

这是<br />

元胞数组创建算例 1<br />

f5 =<br />

10 9 8 7 6 5 4 3 2 1<br />

f6 =<br />

1 4 7<br />

2 5 8<br />

3 6 9<br />

3.2.4 元胞数组转换函数<br />

【例 3.2.4-1】常用元胞数组转换函示例。<br />

(1)num2cell 把数值数组转换成元胞数组<br />

rand('state',0);<br />

A=rand(2,3,2)<br />

C1=num2cell(A)<br />

A(:,:,1) =<br />

0.9501 0.6068 0.8913<br />

0.2311 0.4860 0.7621<br />

A(:,:,2) =<br />

0.4565 0.8214 0.6154<br />

0.0185 0.4447 0.7919<br />

C1(:,:,1) =<br />

[0.9501] [0.6068] [0.8913]<br />

[0.2311] [0.4860] [0.7621]<br />

C1(:,:,2) =<br />

[0.4565] [0.8214] [0.6154]<br />

[0.0185] [0.4447] [0.7919]<br />

C2=num2cell(A,1)<br />

C2(:,:,1) =<br />

[2x1 double] [2x1 double] [2x1 double]<br />

C2(:,:,2) =<br />

[2x1 double] [2x1 double] [2x1 double]<br />

C3=num2cell(A,[2,3])<br />

C3 =<br />

[1x3x2 double]<br />

[1x3x2 double]<br />

(2)<br />

clear,x=zeros(4,5);<br />

x(:)=1:20<br />

C4=mat2cell(x, [2 2], [3 2])<br />

8

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