# Questions tagged [exponent]

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### Element-wise vector-matrix exponentiation

I would like to exponentiate the vector x = {x1,x2} element-wise with the non-square matrix A = {{1,0},{1,1},{0,1}} so that the ...
• 83
89 views

### How does Mathematica select principal roots of complex numbers?

When I do I^(1/3) I get Out[]:= (-1)^(1/6) which is one of the solutions of $z^3=i$. There are two more solutions which are ...
• 4,933
66 views

### Equation for integer exponents

I'm trying to solve some equations regarding power expansions, but Mathematica doesn't seem to find any solutions (it runs for an arbitrary long time). For example, I have the equation: ...
• 259
1 vote
57 views

### How to obtain a list of pairs of exponents in a double series expansion?

Let's say we have a function of two variables $f(x,y)$ and we work out its Taylor expansion up to some power. I would like to use Mathematica to construct a list of all exponents that appear in the ...
• 553
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### Convert number of scientific format with with negative exponent to MaTeX?

MaTeX can convert many data to LaTeX format, such as: MaTeX[1.26591*^100] will output But when the number has a minus of the exponent, MaTeX wouldn't work right. ...
• 567
33 views

### Is it possible to ask Mathematica to order this expression in terms of descending absolute values of the arguments of the exponential functions?

I have the given expression which is a sum of exponential functions with some parameters $a,t,u,y$ where $a>0$. Question Is it possible to ask Mathematica to order this expression in terms of ...
• 349
41 views

### Nested NIntegrate with Matrix Exponential

I wish to perform a numerical integration which involves a matrix exponential. Here's the following code ...
• 375