# Questions tagged [polynomials]

Questions on the functionality operating on polynomials

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### How to Collect where var is one expression?

Edit: Clear["Global`*"]; expr1 = (a + c - b + 1)^3 + (-b + a + c + 2)^4 // Expand For test case expr1, this is the ...
• 1,519
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### PolynomialQ behaviour

I am crafting some functions on polynomials that must be in x. But I checked that it is always True whatever variable I use: ...
79 views

### Unstable work of PolynomialMod

I tried to use PolynomialMod for my calculation and i need some help on working with it, because i'll need to use it several hundred times. I made such a request ...
• 23
1 vote
96 views

### How to sort the terms in a polynomial according to their degree?

I have the polynomial ...
• 251
125 views

### How to execute this code? [closed]

I want to plot the following equation: ...
• 47
1 vote
55 views

### Replacement rule runs for a long time [duplicate]

I have a simple expression that reads (some expression in b) q^(8/3): ...
• 543
1 vote
56 views

• 145
1 vote
73 views

103 views

### Check if polynomial is subtraction free

I have several very long, factorised polynomials in several variables, e.g. x1^4 x2^3 x3 x4^3 x5 x6 x7^2 x8 (1 + x2 + x2 x3 + x5 + x1 x5) I want an easy way to ...
• 175
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### An apparent error with Chebyshev polynomials

I am on 11.0.1.0 SeriesCoefficient[ChebyshevU[n,x],{x,0,m}] returns ...
• 2,066
77 views

### Computing symbolic continued fractions for rational functions with respect to a variable

There are quite a few questions here about continued fractions, so this might be a duplicate, but I honestly could not find what I want. What I want is, having two polynomials ...
• 2,066
1 vote
157 views

### How to factor a quartic equation whose coefficient has unknown parameters?

i'm trying to see if a quartic equation I obtained can be factored into simpler forms, such as the product of two quadratics. The problem is that their coefficients are some complex expressions in ...
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