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Solve the differential equation :
Started by on , 4 posts by 4 people.  
Multiplying with makes the equation homogeneous..
Equation is not homogeneous.
Solution.
Sonnhard.
Mcrasher You have solved hello, this is a Bernoulli-equation.
Solve this equation for x, (1 + x)^4=34.5 . I am interested in the math libraries you'd use. the equation is MUCH SIMPLER (1 + x)^4=34.5 thanks
Started by on , 10 posts by 9 people.  
If you mean "find a value for double x that satisfies the equation to the limits "find an equation of the form 'x = ' such that x satisfies the given equation" (AKA "solve drastically changed since others answered....
Mean by "solve".
Is there a way to make very long equation multiline so it doesn't stretch the table very long?
Started by on , 3 posts by 3 people.  
You can break the equation with the split environment: \begin{equation} \begin{split} x &= a + b \\ \quad + c + d \\ &= x \cdot y \cdot z \end{split} \end{equation} Use a p{<length>} type.
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I would like to allow the user to enter any equation, like the following, into a text box: x = x / 2 * 0.07914 x = x^2 / 5 And have that equation applied to telemetry data that is coming from a device connected via a serial port. The incoming data points...
Started by on , 15 posts by 15 people.  
Is that the user entering the equation could enter just about anything which could be a security issue.
Well, it seems simple enough, but I can't find a way to add a caption to an equation. The caption is needed to explain the variables used in the equation, so some kind of table-like structure to keep it all aligned and pretty would be great.
Started by on , 3 posts by 3 people.  
For example: \begin{figure} \[ e....
) are in-line to place the equation in a figure or table environment (or a new kind of floating environment).
$$ , begin{equation}...
$ , $$ ...
Straight ahead equations (those written with $ ...
I'm analyzing financial data and would like to find the inflection points of a line. I know I can do this using derivatives, but first I need an equation. Is there are way to generate an equation based off of a series of numbers. I would need to do this...
Started by on , 5 posts by 5 people.  
You can....
This article in Wikipedia: http://en.wikipedia.org/wiki/Polynomial_interpolation explains it mathematically.
There are established procedures for turning a set of existing data points into a polynomial; this is called Polynomial Interpolation .
How can I find equation of a line or draw a line, given a starting point, length of line and angle of line (relative to x-axis)?
Started by on , 5 posts by 5 people.  
First thing that still we don't know....
An equation of a line is like; m*x + n = y m wanna draw a line-segment an you know length, start point and angle, there will be two equation.
To go, you need to be careful how you define your angle .
I have an equation which has been reduced to the form eqn1 := f(x,y,z) = T; Now I have another equation that involves T as a variable eqn2 := g(T,x,y,z); I want to replace T with f(x) in eqn2 . If I had eqn1 in the form eqn1better := T = f(x,y,z); Then...
Started by on , 4 posts by 4 people.  
The general case of reversing any equation, regardless of whether or not one side is a single variable.
Hi, I am using Objective-C and I am trying to set an equation that is stored in an NSString to be evaluated and stored in an NSInteger . something similar to the following: equation = [[NSString alloc] initWithString:@"1+5*6"]; and then evaluate that ...
Started by on , 3 posts by 3 people.  
equation = @"1+5*6"; // dummy predicate that contains our expression NSPredicate *pred = [NSPredicate predicateWithFormat: [equation stringByAppendingString:@" == 42"]]; NSExpression *exp = [pred.
I need a way of taking an equation given as a string and finding it's mathematical answer, the big caveat is that I can't use eval(). I know the equation will only ever contain numbers, the four mathematical operators (i.e. * / + -) and parentheses, it...
Started by on , 4 posts by 4 people.  
$equation); $operators = array('*' => 1, '/' => 1, '+' =>.
Polish Notation function convertToRPN($equation) { $equation = str_replace(' ', '', $equation); $tokens = token_get_all('<?php ' .
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