The table tag has no wiki summary.
0
votes
0answers
24 views
Parallelize with assignment in table
I just realized that you can use multiple Kernals in Mathematica and was trying to embed it in my program. But i encountered a strange behavior with an assignment in a Table.
What i used to do was ...
7
votes
3answers
680 views
Is there a Mathematica equivalent to MATLAB's logspace? [duplicate]
Possible Duplicate:
How can I get exactly 5 logarithmic divisions of an interval?
I want to use Table to generate a list of items, but want the indices ...
-4
votes
0answers
33 views
how to create dynamic 2D table algorithm [closed]
I am not sure if I am here right; but let's start with my question:
I develop an excel file via C# code, in the excel file I have defined some tags, these tags are place-maker, these will be fill in ...
0
votes
1answer
32 views
Function that displays set of integers fulfilling constrictions
I would like to make a function of three parameters $i$, $j$ and $k$ that displays a list of integers fulfilling some criteria. Specifically the set of integers is:
$\zeta_{ijk} = ...
1
vote
1answer
51 views
plotting output from FindRoot
I am an R user and am totally new to Mathematica. I am trying to find the roots of a system of two equations over a series of paramter values and plot the results. I can do the computation but would ...
7
votes
3answers
131 views
How do I avoid scoping collisions of iterator variables?
Yesterday I had an issue that kept for quite a while. My code wasn't producing the right results. Now I know why and I am wondering how to avoid the issue in future. Consider the following code.
...
0
votes
1answer
63 views
0
votes
1answer
60 views
Sublist inside simple list
I have a doubt to confirm. Let there is a list
f = {{l}, {c}, {d}, {e}, {1, 2, 3}, {3, 4, 5}}
And I expect it to be traversed as a normal list which I can do ...
2
votes
0answers
66 views
correct usage of ParallelTable
I am trying to parallelize my script. Here is a MWE of how I have done it:
...
0
votes
2answers
94 views
Visualizing multi-state lattice from a data set
Is there any way to make Mathematica visualize a multistate square lattice? That is, I have a data set from a simulation that is x coloumns wide and y rows tall (just a simple .dat file), where each ...
5
votes
2answers
112 views
How to export results of an analysis in table format into MS word file
I'm working on a simulation study using Mathematica 8. At the end of the analysis I'll have a matrix of data containing my results (assume for three variables like x,y & z). I used these codes for ...
2
votes
1answer
47 views
how to set initial conditions when solving recursive equation with tables
I am solving a recursive expression with ParallelTable. Here is a MWE showing how I do it, and how I set the initial condition:
...
-2
votes
0answers
33 views
Create/Plot Tables of sequences and partial sums
How exactly do you create and plot tables of sequences and partial sums?
0
votes
1answer
54 views
Table of Polynomials [closed]
I made a function
makePolynomial
that creates a random Polynomial of a certain degree, e.g.
2+T+3T^2+8T^3-5T^4...
now I ...
2
votes
1answer
101 views
Create a table with inline conditions
I am trying to create a table with conditionals inline. For example, I'd like to create a 2 dimensional table like this:
...
7
votes
5answers
330 views
Multiplying two dimensional data by a constant
I have a list of lists of the form:
{{1, 2}, {2, 4}, {2, 8}}
But I want to multiply only the second dimension of that data by a constant. I know I could do this ...
1
vote
2answers
82 views
Font size in PlotLegends, using Table to generate the list in the legend
I am currently trying to get to graph with several functions as below. My problem is that I cannot change the font size in the legend (authomatically generated numbers by "Table" function). This code ...
13
votes
5answers
316 views
Instruct a Table to only evaluate until a condition is fulfilled
I am looking for the way of building a Table of pairs of numbers in a fast way. My true table evaluates huge functions, and I see no way and reason to show those cumbersome expressions here. Let us ...
2
votes
2answers
137 views
How to populate a table using a rule replacement
I am trying to populate the rows and columns of a table by using a rule replacment.
To generate a table that looks like this
For example Sc would be row 1, column 1.
An example of a record looks ...
1
vote
1answer
126 views
Confused about Unevaluated
Why does
Map[Unevaluated, Table[PauliMatrix[i], {i, 1, 3}]
give
{Unevaluated[{{0, 1}, {1, 0}}], Unevaluated[{{0, -I}, {I, 0}}], Unevaluated[{{1, 0}, {0, ...
1
vote
1answer
99 views
direct assignment to the element in a Table
I have already asked a related question here why set values in this way doesn't work?
But I think I have to write the question which I encountered explicitly?
...
2
votes
1answer
69 views
Find points on the surface of a Graphics3D object
If I have a Graphics3D object that was generated from manipulations to PolyhedronData rather than via an explicit equation, for example the Spikey
(for which the entire code can be found here The ...
1
vote
3answers
86 views
iterate method to find roots
This code gives the roots (lambda-values) of eq1 by using iteration.
...
0
votes
0answers
64 views
How can I get tabular output for the results of my simulation? [closed]
I have code that simulates a simple Markov Chain and looks like this:
...
1
vote
3answers
96 views
How can I create a new tables out of a table and plot it
I have the following problem. I have a table, call it m, which is labelled by 3 indices (say i,j,k), each of them running from 1 up to 100.
I would like to be able to construct a new table which would ...
1
vote
1answer
70 views
Table/Tree of values
My question:
Is there a way to create a tree of values?
Something like the output of the command TreeForm,
but with values in the nodes?
Why do I want this?
I'm trying to do a complete program to ...
2
votes
4answers
251 views
How can I format a table to look nice?
I have this code, but i would like to see the results well formated,
How can I obtain a well formatted data with aligment?, similar to this one
insted what i obatin, you can see here
Here is ...
1
vote
0answers
57 views
Using NIntegrate inside Table [closed]
I have defined the function(GMTD2) below which when called displays the corresponding contour plot.
The List k1 is generated by the Table environment whose third part is that long function which is ...
1
vote
3answers
150 views
1
vote
3answers
144 views
Summation over 3 lists
I have three lists. As an example,
a = {10, 5, 6, 8, 7};
b = {4, 8, 9, 7, 9};
c = {7, 5, 12, 4, 1};
I want to get
$$x(i)=\sum ...
0
votes
0answers
26 views
Error in extracting a column [duplicate]
I imported excel data to Mathematica using this command.
kuruzD = Import[
"C:\\Users\\TMH\\Documents\\Problem Set 4\\kuruzData.xlsx"][[1]] //TableForm
I want to ...
1
vote
1answer
76 views
Recursion evaluate Table power exceeded limit
I wrote 2 simple recursive functions for calculating the power of a table.
pol3[Tb_List, n_Integer?Positive] := If[n == 1, Tb, Tb.pol3[Tb, n - 1]]
and
...
2
votes
3answers
141 views
How to make a defined symbol stay in symbol form?
How to make a defined symbol stay in symbol form?
w = 3; g = 4;
{w, g}[[2]]
3
I want the output to be ...
1
vote
3answers
79 views
problem with Importing multiple files
I need to import about 100000 "dat" files to my progrom. I want to do this using the last answer to this question:
Importing multiple files using a for-loop
I know that I should define a list of all ...
1
vote
3answers
167 views
Importing multiple files using a for-loop
once again I am stuck solving a seemingly easy problem :(
I would like to make a List of tables by importing data from several txt-Files.
Importing the data into a table works so far and I am able to ...
0
votes
1answer
75 views
Riffle not acting as expected [closed]
I have defined two tables:
R = Table[Subscript[\[ScriptCapitalR], -i], {i, -12, -1}]
T = Table[Subscript[\[ScriptCapitalT], -i, -i - 1], {i, -12, -1}]
I want to ...
2
votes
1answer
104 views
Mathematica 7: Problems when evaluating Fourier inside a ParallelTable
after I got such a great response for my first question on this site, I'm very encouraged to asked my second one!
So here it is, very generally: To speed up a "row-wise" (i.e. 1D) operation on a ...
-1
votes
1answer
64 views
FindFit and Integration errors
First off, appologies for what may sound like a newbie question, as I am very new to using Mathematica.
I am trying to find a way to get Mathematica to give me an expression that would describe the ...
2
votes
2answers
113 views
How can I create a table of sliders?
I'm trying to do the following:
I have a table:
w = Table[ToExpression[ToString[h] <> ToString[i]], {i, 1, Length[c]}]
This table is suposed to generate ...
2
votes
2answers
164 views
How can I make the Cartesian product of a list with itself?
I'm trying to build the table
{{1, 1}, {1, 2}, {2, 1}, {2, 2}}
given the list
{1, 2}
I can do it like this
...
4
votes
2answers
126 views
Extracting data from a table under conditions
I have a very large table with two columns. Let's say the name of first column is E and the name of the second is P. How can I get the E values when P = 0.
6
votes
2answers
167 views
Merging two Lists
I have two tables. One is given by
T1 = Table[{x, y, 0.}, {x, 0, V},{y, 0, V}]
and from a calculation I have the second, a list of points {x, y, z}
...
1
vote
3answers
159 views
2
votes
1answer
115 views
How to export/import function values [duplicate]
I have a function with two variables:
f[x_,y_]:=f[x,y] = ...
I calculated some values (they are fractions like 435345345/3424242424) and would like to store the ...
-1
votes
1answer
114 views
Improving ContourPlot and Table output
I am trying to examine the results of and NDSolve solution for a BVP, and the output is not at all "pretty". Here's the code:
...
1
vote
1answer
72 views
Get unique values for integration limits
For an multidimensional integration I want to build up the integration limits with the following code. (the length of vars is also variable)
...
1
vote
2answers
77 views
How to incorporate functions within Do Loops
I'm attempting to repeatedly perform a simple algorithm with incremental changes of a parameter.
I can easily express my changing parameter:
...
0
votes
0answers
86 views
How can I sort the elements in a 3-dimensional table? [closed]
I'm doing a calculation where I need to sort the elements in a 3-dimensional table (because I have 3 running indexes), but I'd like to treat all of it as a 1-dimensional object and sort them by ...
2
votes
1answer
101 views
writing a function using multiple variables
I am fairly new to Mathematica and am trying to write a function for the equation:
xx = [x/(Sqrt[h^2 + d^2 + y^2]))*(Sqrt[h^2 + (d + yy)^2])
where h, d are known ...
5
votes
2answers
151 views
Is there a Break[] equivalent for short-circuiting in Table?
I am running Mathematica 7. The following is admittedly a silly example, but suppose that I have a list list whose entries are either ...
