
How can I add circles and arrows in linear equation systems?
20140121
How can I write a linear equation system that uses circles and arrows to indicate what should be added on each line. This is what I have so far: $S = \begin{cases} x_1+2x_2  2x_3 = 1 \\ 2x_1  x_2 + x_3 = 3 \\ x_1 + 3x_2 + x_3 = 1 \end{cases}$ And i

Solving non linear equation system
20160121
I need to solve 4 non linear equation systems I tried with 1 system, but it keeps telling me "498" +(t^3)*(y^2))/((12.6*10^11tytx)^2)(42*t)/(12.6*10^11t*x))= 0},{x,y}] " is incomplete; more input is needed." This is the system of 2

What is the right tool to MPC linear equations system
20160613
Given two parties who have private inputes Player 1  $X_1,...X_n$ Player 2  $Y_1,...Y_n$ We want to compute a solution to a linear system equation: $f_1(X_1,...X_n,...Y_1,...Y_n) +h_1(X_1,...X_n)+g_1(Y_1,...Y_n) = 0 mod p$ . . . $f_{2n}(X_1,...X_n,

Conditional solution for system of linear equations
20130611
I have a linear equation system Q.m = t, with m unkown and where Q has dimensions {(n1)²,n²}, t has dimensions {(n1)²} and m dimensions {n²}. I'm trying to find a way to find a (possible) solution m1 such that Norm[Partition[m1,n]] is less or equal

Solving simultaneous systems of linear equations
20141120
I have several systems of linear equations in matrix form, and I would like to find the $\vec{x}$ that simultaneously solves them: $$A_1\vec{x} = b_1$$ $$\vdots$$ $$A_n\vec{x} = b_n$$ Is there a quick/neat way to do this? That is, something like: $$\

Equation system with alignment
20151203
I want to set up a linear equation system where the individual terms in each equation are aligned with the corresponding terms in the above. Currently, my attempt looks something like this: \[ \begin{matrix} a_{11}x_1 & + & a_{12}x_2 & = &

System of linear equations wobbles
20111116
I tried to illustrate how to solve a system of linear equations but I don't come along with the different approaches to position the equations. They are shifted at some slides, e.g. if an arrow is displayed or even if some variables are only colored!

Solve systems of linear equations in Excel without using VBA
20121215
Suppose you have the following system of linear equations and want to solve for x, y, and z: 2x + y  z = 1 4x + 11y = 18 x  y + 2z = 9 Is there an easy way to do this with Excel using worksheet functions? Solutions This

Solving a tridiagonal system of linear equations using the Thomas algorithm
20130309
I'm trying to write a function that can solve a tridiagonal system of linear equations using the Thomas algorithm. It basically solves the following equation. (Details can be found at the Wiki page here Tridiagonal matrix algorithm.) $$ \begin{bmatri

Solving systems of linear equations
20130313
I am working on the following problem (http://www.enigmagroup.org/missions/programming/9/). You have a 6x6 table where the first 5 columns and rows are comprised of different types of shapes, 5 total. The sixth row contains the sum of the values of t

How to print a system of linear equations in matrix form using sweave?
20130527
I would like to print a system of linear equations, a right bracket, a right arrow and finally the output of the system (x). Something like Ax = b } > x. It is hard for me to find the right way of working with many matrices/vectors one behind the

Solve huge symbolic system of linear equations
20130702
I have a system of 76 symbolic linear equations (i.e. some coefficients are symbolic) with a sparse coefficient matrix. However, neither Solve[] nor LinearSolve[] can solve this system in a reasonable amount of time (I have not received an answer in

Solve a system of non linear equations over GF
20130718
I have the following set of equations: $$M_{1}=\frac{y_1y_0}{x_1x_0}$$ $$M_{2}=\frac{y_2y_0}{x_2x_0}$$ $M_1, M_2, x_1, y_1, x_2, y_2,$ are known and they are chosen from a $GF(2^m)$. I want to find $x_0,y_0$ Does the previous set of equations is

Determinant of a large matrix and solution of a linear equation
20130810
I am trying to solve a linear equation in x, where the equation is given by Det[M]==0. The M is a symmetric matrix (dimensions 47x47) with an element equal to x and all other elements are equal to numbers ranging from 1 to 10^4. So, Det[M] is a linea

Solving a system of linear equations modulo n
20130905
I have a system of linear equations $$ a+b+c \equiv 31 \pmod{54} $$ $$ 4a+2b+c \equiv 3 \pmod{54} $$ $$ 9a+3b+c \equiv 11 \pmod{54} $$ What should I input (I'm using LinearSolve)? It doesn't seem to work for composite modulo numbers. I have been unab

Extract matrix from a system of linear equations
20130925
This question already has an answer here: How to read off coefficients of tensorlike expression in a speedy way? 2 answers I have a big system of linear equations $f_i(x_1,...x_n)$ with $n$ variables and $n$ equations. I want to extract the matrix $

Solve a System of Linear Equations
20140301
Write a program to solve a series of linear equations as short as possible. It must solve arbitrary number of equations problems. They can inputted however you like, coefficients of augmented matrix is probably the easiest. The program doesn't have t

Solving a large system of nonlinear equations
20140425
I am new to Mathematica, and I am currently trying to use it to solve a large symbolic system of nonlinear equations. I began the code below about 30 hrs ago, and the Mathematica Kernal has been using between 4 and 7GB of RAM since that time. Is the

Proper spacing in each equation in a system of linear equations
20140719
In the following code, I have LaTeX display a system of m linear equations in n variables. I have the proper alignments, but it is not displayed properly in two aspects. The vertical dots are not quite centered in the columns, and in each equation, t