11 questions linked to/from extract values from replacement list
1k views

### Converting a list of replacement rules into a list of real values [duplicate]

The following command outputs a list of replacement rules. ...
• 77
1k views

### How do I assign the solutions of an equation to separate variables? [duplicate]

I'm a beginner to Mathematica. Here's my question. I'd like to store the output(s) of a Solve command to variable(s) that can be manipulated later. For example, I would like x1 and x2 to be the two ...
130k views

### What are the most common pitfalls awaiting new users?

As you may already know, Mathematica is a wonderful piece of software. However, it has a few characteristics that tend to confuse new (and sometimes not-so-new) users. That can be clearly seen from ...
955 views

### Assigning the numerical results of Minimize to variables [closed]

I need to use the numerical values returned by Minimize in further computations. Consider, ...
• 119
617 views

### Transform a rule to a list of rules

How can this rule a -> {1, 2, 3} be transformed into this {a -> 1, a -> 2, a -> 3} by way of a function? ...
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1 vote
161 views

### Manipulate strings within a list

Let's say I have Solve[x^4 + 3 == 0, x] with output ...
164 views

### Plot function the uses Solve

Can someone tell me why I get an error (and how I get around it) from Solve while I try to Plot a function like: ...
• 309
89 views

### How to use quantities obtained by solving equations directly to plot

I want to know how we could use the quantities we found by solving simultaneous equations, directly into plotting graphs. For example I have this Mathematica code; it gives the values of ...
• 109
234 views

### Error when solving equations constructed with Table [duplicate]

I have a couple of questions about the problem I am trying to solve ...
169 views

### The /. syntax in numerical methods [duplicate]

I have an analytical approximation method for solving an ODE and want to compare this to an NDSolve solution, but the syntax is confusing me. To get the solution from NDSolve, I define the ODE as eqn ...
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