Questions tagged [column]

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12
votes
3answers
390 views

What is a good way of perfoming operations on specified columns of a table with many columns

If I have a table of data and I want to do a specific operation on say the third column, I usually do something like this: ...
4
votes
3answers
58 views

Export output to a text file

I have the following output obtained after optimizing the positions of geometry using Minimize command ...
4
votes
2answers
85 views

Building a matrix from the columns of others

A is a n x m matrix, B is a matrix p x m, I wish to build C from appending the ith column of A and ith column of B, for all i ...
3
votes
1answer
102 views

TagBox Column and comments

This provides a useful input format, extendable with Ctrl+Enter: ...
2
votes
1answer
31 views

How to enforce size of a ClickPane inside a Column

I would like to use an image as a ClickPane, inside a column. I want the image to appear at its native size. Outside of the column, this works: ...
4
votes
1answer
56 views

Change number of columns in grid

I'm looking to make a grid where the number of columns change, but the grid spacings remain roughly the same. Essentially, something like SpanFromLeft, but applied to an entire row rather than a ...
3
votes
1answer
74 views

How to Subtract column from another in dataset

I want to subtract the "assigned_ts" values from the "closed_ts" column and paste the results in seconds into the column with the "difference_ts" header.
3
votes
1answer
186 views

Identify maximum difference in Matrix

i am trying to find the Maximum difference between two matrices and identify where this maximum occurs. I illustrate what I mean using an example. Given ...
2
votes
2answers
72 views

Table counting divisors

I have a simple table that I can't quite make work. Columns are as follows A function returning 1 if x divides ...
2
votes
2answers
144 views

Normalize a vector: error [duplicate]

I have this simple example in which I am trying to write a column vector (ket vector) and then I want to normalize it. It seems that ther is something wrong, leading to an error message "The first ...
3
votes
3answers
214 views

using DeleteCases to delete vectors with particular index as 0

Assume I have a set of vectors set = {{0,1,1,0,1}, {1,0,1,1,1}, {1,1,1,1,0},{1,0,0,1,0}}. I want to delete the vectors which have the last entry as 0. In the ...
1
vote
0answers
111 views

How can I vary the height of items in a GraphicsColumn?

I would like to create graphics that look like this: g = Grid[{{"Circle"}, {Graphics[Circle[]]}, {x^2 + y^2 == r^2}}, Frame -> All] But when I use this code, ...
2
votes
1answer
79 views

How do I copy a mathematica column to paste in excel?

I have a list of elements that I transform into a column: a = {1, 2, 3, 4, 5} Column[a] 1 2 3 4 5 How do I print this column so it can be copy-pasted in ...
0
votes
1answer
47 views

Interactive plot labels

This question was inspired by this answer. Consider we have set of data: data = RandomReal[1, {10, 5}] Command which allows to plot arbitrary the columns is <...
2
votes
2answers
269 views

ListPlot using given columns of the data with many columns

Consider we have a table table1 with $n$ columns. I want to ListPlot two given columns from the table. For example ...
14
votes
2answers
345 views

Column makes fonts smaller

When you use Column (or Grid) a previously styled element with explicit font-size setting appears much smaller. Here is an ...
1
vote
1answer
66 views

How to discard values from a matrix (column) using specific conditions

EXPLANATION OF THE PROBLEM: I have an oscillating function, defined as $f(x)$; that function is also “periodic”, with period T and $f(x)=f(x+T)$. The function is ...
1
vote
0answers
64 views

How to plot data from table dynamically, without knowing how many columns are there?

I'm trying to read coordinates at certain times of Planets and Plot the orbit into a graph. For this example I'm doing this for eight planets, some coordinates from a table of some timesteps of the ...
1
vote
1answer
100 views

separating a `ReadList` of a CSV file into columns using `Case`

I have a really large file and would like to determine the pattern required for separating the columns by the different headers. I attempted to use Cases but it's ...
5
votes
2answers
187 views

How to replace columns of a matrix with an unsorted ordered list.

I have a matrix that I would like to replace the values of each column with where they are in an ordered list of values from least to greatest. For example, if I have ...
2
votes
1answer
213 views

How to delete duplicates of certain values in list of lists in a specific column of all sublists?

Let's say I have a list of lists like data={{1,0},{2,1},{2,0},{3,0},{4,0},{5,1},{5,0},{6,0},{7,0},{8,1},{8,0},{9,3},{9,2},{9,1},{9,0},{10,0}}; with varying ...
1
vote
1answer
1k views
0
votes
0answers
109 views

Designing a Manipulate Block

I am trying to create a Manipulate block which contains tabels, graphs and explanations. In the first row I want to add some tables and explanations, but sometimes the tabels are cut. For doing this I ...
-3
votes
2answers
127 views

How to make a list of columns [closed]

I have three functions: n, n^2, n^3. Range is 20 numbers. My task is to make a list of columns of n, n^2, n^3 for numbers n upto 20. It supposed to look like this:
0
votes
1answer
1k views

Help: Shifted columns values of a dataset [closed]

How do i add a new column to a Dataset that is the shifted version of another column with nulls placed in missing places. (just like the function shift in pandas in ...
2
votes
3answers
720 views

Change entire column of matrix using its own elements for calculations [duplicate]

I am aware that there are discussions here about multiplying rows or columns in matrices, but I cannot figure out what to do in the following two cases. I have a matrix, lets say ...
6
votes
1answer
65 views

How can I prevent SlideView from undoing column spacings?

I am putting together a presentation with SlideView. Within many of the slides I have calls to Column using the ...
3
votes
2answers
401 views

Switch Orientation of Rows/Columns in Grid, Column layout constructs

Column layout construct has the BaselinePosition option where you can specify the origin placement for the "bars", e.g. Bottom (Vertical orientation). Here is some data to play with: ...
3
votes
1answer
341 views

Add columns with dummies and specific headers to dataset

I got a dataset that looks like the following example: ...
-2
votes
1answer
96 views

Plotting output in two columns beside each other from a for loop [closed]

How can I have the output plots in two columns instead of having the plots in a sequence? Like the following: []
1
vote
1answer
112 views

Column (and Grid) Alignment Changes with OpenerView

Column does not maintain Alignment settings when OpenerView opens and closes. ...
3
votes
0answers
137 views

Grid column width too large when alignment rules are used

I would like to use Grid to display the results of a series of calculations and an information graphic on many items. The grid has a name and a category column with ...
1
vote
1answer
195 views

Nesting Rows and Columns

I have a hierarchical but row based spreadsheet file that looks like this when imported : ...