MATLAB: ‘{:}’, ‘ .’ ‘

.'{:}

Hi, I would like to know what does these expressions means? Cant find anywhere, but a lot of ppl are using them:

 '{:}', ' .' '

Ty 🙂

Best Answer

Is that a serious question? Search for "Special Characters" in the documentation.

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MATLAB: Using .’ instead of ‘ for transpose

.' is used to transpose complex numbers, because if for example a is a complex array

a=[4+5i   2-i]
a' % is the conjugate and transpose
a.' % is the transpose

MATLAB: What is the difference between .’ and ‘ when transposing a matrix

They produce the same result only for real values. The ‘regular’ transpose operator (') produces a complex-conjugate transpose for complex numbers. With the dot operator (.') it produces the transpose without performing the complex-conjugate operation.

Note: This is the only operation (that I am aware of) where the dot-operator does not signify element-wise operations, as it does with multiplication, division, and exponentiation.

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Related Solutions

MATLAB: Using .’ instead of ‘ for transpose

MATLAB: What is the difference between .’ and ‘ when transposing a matrix

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