Questions tagged [equations]
194 questions
0
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2 answers
Splitting a string based on specific characters
I will try to describe my problem as well as I can.
I am trying to write a program that will handle equations like:
F = (X∨A) ↔ (X∨B) ( (X OR A) is equivalent to (X OR B) )!
I have to solve it by 'X', or to better say, write disjunctive and/or…
spamserv
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1 answer
Apply the same maths equation to multiple jQuery values
The code should explain more what I am trying to do. I have multiple values as javascript variables, which are then processed through an equation to calculate the size of a circle on screen.
Currently I am repeating the equation and numbering all…
bboybeatle
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0
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2 answers
Maple, system of 12 equations
I am absolute novice in Maple, sorry... Please, help.
When solving simple system of equations like the one described in manual:
solve({x+2*y = 3, y+1/x = 1}, [x, y]),
everything works nice. But when trying to solve my system of 12 equations, error…
Josef Kokes
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- 1
0
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2 answers
matlab linear equations with mod
I have a simple equations to solve and I want to do it in matlab,however, there are some years, that I didn't use and kinda forgot it.
So this
linsolve({(387=mod(324*a+b,601)), (491=mod(381*a+b,601))},{a,b}),
doesn't give me a result, due to an…
July
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1 answer
I want to solve a system of equations containing a*x
Is it possible to solve a system of three equations in Excel, that contain x*y??
Let's suppose that my unknowns are a,b,x
The equations are
a + b = 1
a * x - 20y = 0
10x * a - 20a + b = 0
Is there a way to express the multiplier that is one of my…
astry
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0
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2 answers
Python solve nonlinear (transcedental) equations
I have an equation 'a*x+logx-b=0,(a and b are constants)', and I want to solve x. The problem is that I have numerous constants a(accordingly numerous b). How do I solve this equation by using python?
Wang
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0
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1 answer
Translating an equality equation into C++
I am trying to test if a circle intersects a square. The best way I have figured out how to do that is to find if there is an x such that: x is between the minimum and maximum x values of the square;
abs(x-centerOfCircle) <= radiusOfCircle
The…
LarrySellers
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0
votes
1 answer
How to enter math equations into xcode
I'm working on a project in my spare time, so i'm pretty new to xcode.
I need to write a lot of equations and symbols in this app, and would it be easier to just load the equations and pictures? I could write them in latex before loading the pdfs…
0
votes
1 answer
Solving equation solution in R
I need R to give me this kind of non-numeric solution :
2*x = 2*y
solution { x = y }
Do you know if there are some packages who do that ?
Thanks in advance!
Nane
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- 3
0
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3 answers
How can read and get coefficients of variables in equations from txt file on java
How can i read equations from txt file and get these equations coefficients for ex. 3.2x-5.6y=10 is in txt file and i need 3.2 ,-5.6 and 10 for making graph gui program.
I tried bufferedreader but i cant get coefficients.
BufferedReader reader =…
kartal şahin
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0
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1 answer
Calculating some equations
Having these functions:
f(x)= 4(x-1)(x-3)/(0-1)(0-3)
g(x)= 2(x-0)(x-3)/(1-0)(1-3)
h(x)= 3(x-0)(x-1)/(3-0)(3-1)
I want to calculate their sum mod p. For reference, p=7.
However, what interests me mostly is the coefficients of the powers of x from…
George Irimiciuc
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0
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3 answers
Taking equations as user input in c
I've been racking my brain at this problem since yesterday and I was hoping someone could point me in the right direction.
I'm new to C and we must create a program where the user enters a series of linear equations that must be solved with Cramer's…
Namlitiv
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0
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1 answer
Need help in R for coding equations
I'm pretty new to using R and I am certainly unsure on how to plug in and graph equations. For an example I have to plot the Goldmann-Hodgkin-Katz equation
(since my reputation is too low I can't send a nice equation so here's a…
Kevin D
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1 answer
how can I solve a redundant symbolic system in matlab?
let
n0 =
nx*cos(a) + nz*cos(b)*sin(a) + ny*sin(a)*sin(b)
ny*cos(b) - nz*sin(b)
nz*cos(a)*cos(b) - nx*sin(a) + ny*cos(a)*sin(b)
in a and b,with the ns fixed (but of course,not assigned) values.
if I…
user1834153
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0
votes
1 answer
Integration of a system of differential equations MATLAB
I am a fairly new Matlab user which I had to explore to numerically integrate a system of differential equations. Now I am trying to resolve a simple equation but which gives me a "lambertw" output.
(s - 1) * exp(-s) = k
Therefore, for a given k,…
KannonX
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