Questions tagged [expression-construction]
107 questions
1
vote
1 answer
The best method of constructing a product of consecutive terms
I am new to Mathematica, I am searching for a way to create an expression with a sequence of terms such as:
(x-1)/x (x-2)/x (x-3)/x (x-4)/x … (x-n)/x
spaceKnot
- 383
- 1
- 8
0
votes
1 answer
How to modify the order of symbols to make the result look more well and use some fixed expression 1-q, 1-c-q and so on?
In most cases, my expressions are quite complex, like the following expr and expr2. How can I make them look better, for instance, I want to use expressions like 1-q or 1-c-q and so on.
Chin Ching CHAN
- 169
- 4
0
votes
1 answer
Displaying positions in expression tree
Can one display the position of each character in an expression tree? For instance: g[h[i, h], l] should be displayed using TreeForm where each character is replaced by its position in the tree. I can mimic this with TreeForm[0[10[11, 120[121,…
ExpressionCoder
- 1,678
- 7
- 15
0
votes
1 answer
Proper formulation of Do expression
I'm having trouble with the following code:
Do[
P[x_, y_] := Sum[RandomChoice[{-1, 1}]*x^k*y^l, {k, 0, 3}, {l, 0, 3}],
IrreduciblePolynomialQ[P[x, y]],
{12}]
Basically, I just want to generate multiple polynomials (in the above case 12) of…
David_Shmij
- 189
- 8
0
votes
0 answers
What is the meaning of #, Root and &
I am new, but can any one tell me what is the meaning of formulas of x and y in the picture?
olivia
- 101
- 1
-1
votes
1 answer
Difference between Log and Log10
I typed a function :
f := Tan[(1/a)*Log[(Sqrt[x^2 + y^2])]] - y/x
I assigned values:
a = 6.045059888;
x = 8.36488;
y = 1.836539;
When I used
Evaluate[f]
it gave me a value of 0.15145
However, the correct value (verified on calculator and…
Corse
- 459
- 2
- 7
-1
votes
1 answer
Producing the same output as Tuples[{0, 1}, 4]?
How can I use the functions decimalToBinary and padWithZeros to produce the same output as Tuples[{0, 1}, 4]?
tamir
- 1
-5
votes
1 answer
Translation of GLSL expression (2)
What's the most compact WL translation of this GLSL expression:
length(max(vec2(x,y),s))
?
ChrisJJ
- 608
- 3
- 8