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Sanjeeb Behera
Sanjeeb Behera 2016-9-14
回答： Walter Roberson 2016-10-5
I1 = logical(de2bi(uint8(hiddenstring)));
II = I8*128+I7*64+I6*32+I5*16+I4*8+I3*4+I2*2+I1;
??? Error using ==> plus
Matrix dimensions must agree.
Error in ==> Spatial_thesis at 28
II = I8*128+I7*64+I6*32+I5*16+I4*8+I3*4+I2*2+I1;
  1 个评论
Adam
Adam 2016-9-14
编辑：Adam 2016-9-14
We have no idea what most of the components in that statement are from what you have posted, but the error message clearly indicates that at least one of your variables is not of the same dimension as the rest. Using the debugger with a breakpoint should allow you to see very easily which one(s) this is.

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回答（2 个）

Pritesh Shah
Pritesh Shah 2016-10-5
After
I1 = logical(de2bi(uint8(hiddenstring)));
Please, check size of I1 to I7. Make sure that all must have same dimension.
Walter Roberson
Walter Roberson 2016-10-5
de2bi defaults to outputting only as many bits wide as is required to hold the largest value it is passed. For text input that would typically be either 6 or 7 bits. Your other code probably assumed that de2bi was returning 8 bits.

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