Complex Number Conversion to character form
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Notable Behavior of Conversions with Formatting Operators:
- Numeric conversions print only the real component of complex numbers.
- If you specify a conversion that does not fit the data, such as a character conversion for a numeric value, MATLAB® overrides the specified conversion, and uses %e.
Is there any way by which I can print real part as well as imaginary part of a complex number in string form?
Can I fit a large scale data in character conversion?
I am implementing an algorithm to encrypt text using complex number and after encrypting just want to convert that encrypted data (complex number) into character form. Because of number format limitation, I am unable to convert it. Please help me to solve this problem...
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Antworten (2)
Guillaume
am 11 Nov. 2016
What is large scale data?
I don't see the problem in printing / converting complex numbers:
n = pi + 1i*log(2);
s = sprintf('%g + %gi', real(n), imag(n)) %or whichever format you want
And if n is an array:
s = arrayfun(@(x) sprintf('%g + %gi', real(x), imag(x)), n, 'UniformOutput', false)
2 Kommentare
Steven Lord
am 11 Nov. 2016
Based on your previous questions, you're going to try to convert a symbolic complex number into a char array. Is that correct? If so use the char function on your symbolic expression, possibly in conjunction with the vpa function.
4 Kommentare
Walter Roberson
am 14 Nov. 2016
Yes. You are asking to process an array of values, not a single value, and you have not said anything about how you want to code the array markers. For example do you want the items written out using '[' and ']' and ';' between rows and ',' between items? What do you want done if the matrix has more than 2 dimensions?
I would caution you that if you are wanting the quotes removed then chances are that you are trying to create you intend to execute, which would be a mistake because without the quotes the value is going to be converted as a plain double precision number.
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