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cell contents assignment to a non-cell array object

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sharmila velu
sharmila velu 2018-1-8
关闭： MATLAB Answer Bot 2021-8-20 
clc;
clear all;

close all;
%disp('******************* LMI *******************')
%warning('off','YALMIP:strict') 
global r
yalmip('clear');

r=2;
c1=1;
C=[c1 0 0 0 0 0;
0 c1 0 0 0 0;
0 0 c1 0 0 0;
0 0 0 c1 0 0;
0 0 0 0 c1 0;
0 0 0 0 0 c1];

A{1}=[-0.01 0 0;0 -.05 0;1 .01 0];

A{2}=[0 .01 -0.1;0 0 -1;0 .02 .1];

B{1}=[0;-.02;.01];
B{2}=[0;-.02;.01];
D{1}=[0.01;.002;.001];

D{2}=[-.01;.02;.04];

E{1}=[0 -2 0;2 0 0;1 -.2 0];

E{2}=[0 -1 1;.1 -1 0;1 -1 0];

C{1}=[0 .1 0];  

C{2}=[1 0 .10];
K{1}=[.001 .3 0];

K{2}=[-2 -.03 1];

M{1}=0.01;

M{2}=1.5;

zer=[0 0 0;0 0 0;0 0 0];

zer1=[0;0;0];

L=[1 2 1];

%TildA{1}=[-B{1}*M{1}*C{1} zer; zer -B{1}*M{1}*C{1}];

% define known matrix

for i=1:r

      for j=1:r
TilA{i,j}=[A{i} zer;

      zer A{j}+B{j}*K{j}];
TildA{j}=[-B{j}*M{j}*C{j} zer; zer -B{j}*M{j}*C{j}];

TilB{j}=[-B{j}*M{j} B{j}*M{j}*C{j}; zer1 zer];

TilD{i}=[D{i};zer1];

TilE{i}=[E{i}; zer];

      end
  end
  1 个评论
Walter Roberson
Walter Roberson 2018-1-9
编辑：Walter Roberson 2018-4-13
Using "clear all" inside a program is like Wile E. Coyote blowing up the butte he is standing on, expecting that he will be safe from falling as long as he does not look down. The only time you should ever use "clear all" inside a program is if you are writing a short script that you intend to be like restarting MATLAB without actually restarting MATLAB.

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回答（1 个）

ANKUR KUMAR
ANKUR KUMAR 2018-1-9
C{1}=[0 .1 0];
C{2}=[1 0 .10]; K{1}=[.001 .3 0];
The errors are in these above codes. You already have defined C in double format (as in matrix in the third line). And you are trying to enter in C input as in cell. This is not possible.
My suggestion is to change the above code by
C1{1}=[0 .1 0];
C1{2}=[1 0 .10]; K{1}=[.001 .3 0];
Few more change you should to do are,
TildA{j}=[-B{j}*M{j}*C1{j} zer; zer -B{j}*M{j}*C1{j}];
TilB{j}=[-B{j}*M{j} B{j}*M{j}*C1{j}; zer1 zer];

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