complex-numbers

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Mathematica: Show Complex Numbers in Polar Form

I want to display complex numbers in trig form. For example: z = (-4)^(1/4); I\'m not sure what the command for that is, and its silly to write:[详细]

2023-01-20 01:57 分类：问答
inconsistent results using isreal

Take this simple example: a = [1 2i]; x = zeros(1,length(a)); for n=1:length(a) x(n) = isreal(a(n)); end In an attempt to vectorize the code, I tried:[详细]

2023-01-13 13:34 分类：问答
iPhone -- working with complex numbers

I\'m trying to figure out the best way to put complex numbers into my math-oriented iPhone app.I\'ve found the mac osx manual page for complex numbers, which looks like a reasonable start.Three questi[详细]

2023-01-09 04:14 分类：问答
complex number types in mixing C(99) and C++

I\'m writing a math library, the core of it is in C++. Later it may be implemented in pure C (C99 I suppose). I think I need a C like API so that I can get Python and matlab and the like to use the li[详细]

2023-01-09 01:05 分类：问答
Determinant of a complex matrix in R

Is there a way to calculate the determinant of a complex matrix? F4<-matrix(c(1,1,1,1,1,1i,-1,-1i,1,-1,1,-1,1,-1i,-1,1i),nrow=4)[详细]

2023-01-08 10:52 分类：问答
splint failing on code that includes complex.h

I\'m trying to run splint on a C source that includes complex.h from the standard C library to support complex arithmetic.[详细]

2023-01-05 07:49 分类：问答
How can I stop cruise control re-building after a failed build?

I got back from the weekend to discover that somebody ****ahem**** had missed a file commit last thing Friday afternoon... Cruise control has been having fun, and tried to re-build every five minutes[详细]

2022-12-30 06:23 分类：问答
onchange on dropdownlist

my question is continuation of what i have asked see the link. Load Country/State/City i have expand to load my drop downs list from db and i just need a way to wire onchange method in my first dropd[详细]

2022-12-27 15:29 分类：问答
Multiplying complex with constant in C++

The following code fails to compile #include <iostream> #include <cmath> #include <complex>[详细]

2022-12-26 19:24 分类：问答
Encode complex number as RGB pixel and back

How is it better to encode a complex number into RGB pixel and vice versa? Probably (logarithm of) an absolute value goes to brightness and an argument goes to hue.[详细]

2022-12-25 05:21 分类：问答