Questions tagged [algebra]

Abstract manipulation of symbols. Transforming an algebraic expression into the desired form.

299 questions

0 votes

0 answers

28 views

2D $q$-Racah kernel $\tilde{K}$, the pre-limit barcode kernel $K_{L}^{\text{barcode}}$, and the conjectual limit $\mathcal{K}^{\text{barcode}}(s,t)$

Looking for Mathematica implementations of 2D $q$-Racah kernel $\tilde{K}$, the pre-limit barcode kernel $K_{L}^{\text{barcode}}$, and the conjectual limit $\mathcal{K}^{\text{barcode}}(s,t)$. Does ...

138 Aspen

2,294

asked Sep 7 at 11:14

5 votes

2 answers

316 views

Why is the squareroot not done?

In the following code I wonder how I can force Mathematica to do the squareroots: ...

user3584513

asked May 20 at 14:06

3 votes

1 answer

188 views

How to use Mathematica to do multivariate partial fraction decompositions?

For single variate partial fraction decompositions, Apart can do it. What if multivariate partial fraction decompositions? Should I use Singular's pfd.lib or Sage? ...

Ahamad

asked Apr 10 at 8:40

2 votes

1 answer

218 views

Why can't Mathematica determine the sign of the square root of a positive expression?

I am trying to determine whether an expression is positive, but I am new to Mathematica and ran into some unexpected behavior. I simplified the expression to better understand what was going on, but I ...

Maggie

asked Nov 9, 2024 at 22:27

1 vote

1 answer

124 views

Simplifying Computation Subject to Polynomial Equations

I am trying to use Mathematica to simplify sums of the form $$\sum_{0 \leq j \leq 5}\sum_{0 \leq k \leq 1}\omega^{nj-k},$$ subject to the polynomial equations $\omega^{6} = 1$ and $\omega^{2} = \omega ...

qprojvar

asked Oct 4, 2024 at 0:53

1 vote

0 answers

119 views

How to find the solutions to simulteneous linear equations in mathematica, in case if the solution to them is not unique? [closed]

I have these three simultaneous equations b+c-a-d=0; 2b-a+c=0 and c-e=0 I entered the command Solve[{b+c-a-d==0, 2b-a+c==0, c-e==0},{b,d}] But I got {}