Linked Questions

2
votes
1answer
124 views

Why doesn't CloudDeploy work in my desktop

I have difficulty in making CloudDeploy in my desktop. Does anyone know why ? Thanks Here is what I see: Here is the code if someone would like to test ...
2
votes
1answer
118 views

Clearing Problem with DSolve [duplicate]

Consider: This is a classic mistake (using a single equal sign) that has been discussed on Mathematica Stack Exchange before. I know that Clear[Derivative] will cure the problem. However, consider ...
0
votes
0answers
146 views

table parametric plot ode

I have a series of ODEs I'd like to plot (a double pendulum specifically) Where I'm comparing my own "handwritten" ODE to that of System modelers solutions. This is mostly an exercise to ensure the ...
2
votes
0answers
142 views

NDeigensystem returns error due to mesh discretization when calculating vibrations of a cantilever

There was an transcription error in the code I provided in a previous post: https://mathematica.stackexchange.com/questions/105713/ndeigensystem-returns-complex-non-hermitian-error-for-the-...
1
vote
0answers
135 views

Solving a set of trigonometric equations [closed]

I've been trying to solve the following equations in order to plot Subscript[θ, 41] with respect to Subscript[θ, 2] from 0 to ...
0
votes
1answer
57 views

How to erase definition introduced by using Set instead of Equal in Solve [duplicate]

When trying to solve a set of equations, I made a mistake by using = instead of ==. Now when I fixed the mistake, the equation ...
1
vote
0answers
107 views

Pattern for a function of say 2 variables [closed]

How can I specify a pattern for an expression f for which say f[x,y] returns a value, ie is defined as a function taking two ...
2
votes
1answer
63 views

How to recall set variables in simple Product[] and Sum[] functions?

I'm new to Mathematica but have been trying to write a code that will define new variables based off of variables preset by a user. I'm allowing them to define a variable ...
1
vote
1answer
62 views

How do we input powers of indexed variables?

I have tried (a[i])^2 and alternatively (a^2)[i] Apparently both seem to work, but I was wondering what was the right way ...
0
votes
1answer
96 views

Can we say that “all functions in Mathematica are some kind of pattern-matching-and-replacement procedures”? [duplicate]

Currently I am studying Mathematica programming, and when I study pattern matching and replacement, I find it is quite similar to functions. So can we say "all functions in Mathematica are some kind ...
2
votes
0answers
88 views

Does Mathematica have a method for achieving the same goals that Aspect Oriented Programming does?

I imagine that this question has been asked before, yet I'm not able to find an answer using the form of the question I believe might be asked. Is there a mechanism for duplicating the ...
1
vote
0answers
84 views

How can PowerExpand be made to evaluate the ArcTan form that takes two arguments?

Consider c = Cos[phi]; s = Sin[phi]; ArcTan[c, s] // PowerExpand ArcTan[s/c] // PowerExpand which yields ...
5
votes
0answers
65 views

How to use the symbols in System`Private`? [duplicate]

Looking at Names["SystemPrivate*"] gives: I'd really like to use and look at the code for some of these symbols, e.g. ...
0
votes
0answers
59 views

What makes items with head `Function` different?

I apologize beforehand for the muddleheadedness of this question. It reflects the fact that I'm trying to interpret outward "behaviors" of Mathematica expressions without having any understanding of ...
1
vote
0answers
54 views

Understanding TagSetDelayed

I was reading What is the distinction between DownValues, UpValues, SubValues, and OwnValues? and I started to be confused with the part "Upvalues" of the first answer. Some of my confusion comes ...

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