Specify and control how Mathematica formats its output, including rich text, equations and graphics.

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1answer
427 views

Solving Heat equation [closed]

I want to compute the exact solution of the heat equation but I got an error. u(x,t) (equation of transmition of heat) is the solution of this differential equation: $$du/dt - \alpha d^2u/dx^2 = 0$$ ...
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2answers
295 views

ListLinePlot x-axis units label

If I want to label the $x$-axis of a ListLinePlot , how do I do that? There are two types of label: a units label which would go to the right of the axis, and ...
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1answer
91 views

Transpose a ragged triangular matrix and display as columns rather than rows

I have a triangular list of lists as follows: ...
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2answers
82 views

The order of the result $x^2 \left(b-\frac{a}{2}\right)+(a-2) x^3+\left(2-\frac{b}{2}\right) x+4 x^4-1$ [duplicate]

Can you explain me a little how Mathematica sort this result, and how to sort in descending powers of $x$ ...
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2answers
261 views

Output format in MatrixForm

I have a correlation matrix, which I want to display in the following format: 2 decimal places (e.g., -0.56) number signs "+" and "-" (e.g., +0.76 or -0.34) I've tried many different things, but I ...
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1answer
308 views

How to copy/paste an OverHat symbol into Microsoft Word 2010 properly?

I have problem with output traditional form of sign above the constant. When I copy/paste in word it is far away up. Is there solution for this? ...
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1answer
606 views

How to export CSV from Mathematica?

I have previously been using logf[x_, y_] := f[x, y] /. v_ :>(PutAppend[Unevaluated[f[x, y] = v;], "out.txt"];); which produces output like ...
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1answer
46 views

How to update Print-out “in place”?

I want to run an exhaustive search algorithm that will take several hours to finish, so I'd like to have it execute Print statement periodically, showing the ...
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1answer
73 views

Typesetting help

I have a rather simple question that has me flummoxed. Let's say I have two matrices: m1 = {{a1, a2}, {b1, b2}}; m2 = {{u1, v1}, {u2, v2}}; I am looking to ...
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1answer
37 views

Evaluation of m.v is blocked by applying MatrixForm. Why? [duplicate]

I'm trying to understand what is happening in the notebook session below. I have a 2x2 matrix m = {{-1,-1}, {-1,-1}}. And a vector ...
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1answer
47 views

Grouping Nested Lists Based on Differing Values of Single Element

I've a list of lists representing k-rows of truth table having n elements each in a nested list consider ...
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1answer
47 views

Formatting All Appropriate Output as Desired Automatically

I want to output in MatrixForm whenever I have a list/vector/matrix, but I do not want to have to type out the command each time. How can I write one command at ...
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1answer
80 views

How to operate with function body without evaluation

I have several functions (let a[x] and b[x]), defined as expressions with integrals and differentiations. I want to perform some ...
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1answer
63 views

Avoid unnecessary truncation

Is there any way to change the general settings in Mathematica so that when I type e.g. 0.34*60000000 I get the output ...
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2answers
127 views

How can I make notebook cell's background become transparent?

How can I make notebook cell's background become transparent? And can be saved as html with the translucent or transparent effect? One of the use is in HTML files, the background of cell hides the ...
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3answers
166 views

iterate method to find roots

This code gives the roots (lambda-values) of eq1 by using iteration. ...
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1answer
77 views

Transforming parametric representation of coordinates into cartesian coordinate system

Is it possible in Wolfram Mathematica to transform output of BSplineFunction so it returns results in cartesian coordinates not in parametric representation? Thank you for your responce. I should ...
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2answers
44 views

How do I format expressions so that replacement rules correctly apply to exponents? [duplicate]

I have a series of rules that I would like to apply to a series of expressions with variables, but cannot get Mathematica to correctly recognize that these rules should apply when my variables have ...
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1answer
88 views

Incompatibility of Row and TeXForm

In Mathematica 7 Row and TeXForm work harmoniously: ...
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1answer
40 views

How to use Notation package with TraditionalForm

I know that I can use the Notation package to define my own custom notation. This works great for StandardForm output, but I ...
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1answer
93 views

How do I type boxtimes?

How do I type boxtimes in Mathematica, for example $a\boxtimes b$? This symbol is used a lot in mathematics, but I found no corresponding part in Mathematica. In TeX form, I can type \boxtimes. Can ...
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1answer
33 views

MatrixForm control inside Row[]

I would like to pretty print two column vectors of different lengths so that they are aligned at the top rather than centered, which seems to be the default. For example, ...
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1answer
97 views

Rounding only reals in an expression containing, reals, integers and symbols

I am trying to make a function that would make rounding real numbers in an expression possibly consisting of real numbers, integer numbers and symbols. An example of such an expression is below: ...
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1answer
161 views

How to convert equations to piecewise form

equations={{2 u,2,1+t,1}=={a c,a b+c,a+b,1},{u,t,0,1}=={c d,c+b d,b+d,1}}; Thread/@equations//TraditionalForm equations was typed to do some ...
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1answer
129 views

How to apply multiple format to a list

I have a nested list like matrix = {{1.2345664, 2.38673956, 3.567846}, {0.00034554, 124.4554654, 6.34543}, {0.0000233, 244.34454, 2}} and I want to apply ...
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1answer
90 views

Trig angles simplifying in worksheet

I would like to generate a table of trig questions such as: ...
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1answer
225 views

Export image data precision

I'm sure there is a very easy way to control this, but I have been searching for an hour now without luck. I plot a function and export it to get a table that I can use in TikZ. ...
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0answers
45 views

Changing face as you type in an expression in notebook

I've a Mathematica notebook for my class notes. When writing plain text in cells, I can dynamically bold and unbold with the ctrl+b shortcut. However, when in a mathematical expression, this shortcut ...
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0answers
90 views

How could I make an Excel-like table?

I am looking to build a simple Excel type of a table with four columns. I have spent some time researching Mathematica documentation, but haven't come across a way to implement that. Here is a ...
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0answers
24 views

Ordering the Terms in an Expression [duplicate]

Why does Mathematica almost always put subtractions as the first term in a summation (as a negative summed with the rest)? How do I circumvent this feature so that every occurrence of "-" follows ...
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0answers
65 views

Symmetric FrameMargins problem

Such details are driving me crazy while creating GUIs with Mathematica: ...
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1answer
112 views

Printing intermediate calculations in an external file, while suppressing the output in the notebook

I'm trying to construct a text-file that contains all the operations that Mathematica performs when evaluating an expression. However, i'd like to suppress all output in the notebook in which I'm ...
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0answers
109 views

TableForm behavior change

In an older version NoteBook, I was able to specify some options for TableForm, which enabled the printing of an expression in a simple fashion: ...
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0answers
173 views
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1answer
51 views

Save selection as PDF - non-image format

I am trying to save the following plot as a pdf, so that I can import it into LaTeX: ...
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3answers
361 views

Removing -> from list of numbers [duplicate]

Possible Duplicate: Best way to extract values from a list of rules? If I have a vector v = {x->1.03, x-> 2.01, .... }, and I want to use an element in the list, I can get an element as ...
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2answers
673 views

How to generate table without comma and bracket or get rid of those?

I want just data without comma and brackets. Even TableForm is not working for me. For example, the general pattern of my table is ...
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3answers
323 views

How to get back name of the number from Max function? [duplicate]

So I have this question, using a toy example: a={1,"this"}; b={2,"that"}; result=Max[0,a[[1]],b[[1]]] the result will be 2. However what I want to obtain is ...
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4answers
121 views

Conditionally formatting elements in a list

I have a list {{a1, a2, a3},{b1, b2, b3}, ...} and I want to replace the numbers less than 10 by 0x (just insert a 0 before the ...
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2answers
171 views

Sum of roots of a trigonometric equation

The equation $$ \sin x + \sqrt{3} \cos x = 1,$$ where $x \in [-2\pi, 2\pi]$ has four roots $-\dfrac{3\pi}{2}$, $\dfrac{\pi}{2}$, $\dfrac{\pi}{2}$ and $\dfrac{11\pi}{6}$. Sum of roots of the given ...
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2answers
52 views

How to output (anything) if any error happens

I have long code which goes through iteration process. some times I get error messages. I want to get the iteration numbers (or any kind of output indications) when errors happen. for example, how ...
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1answer
49 views

Forcing an integral to be solved in separate terms

Using Mathematica I want to solve an integral over a function that contains both determined and undetermined parts which looks like this: ...
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1answer
55 views

sorting of expression with complex parts

I have an expression: a + i*b + d + i*e + r = 0 Now I want Mathematica to sort this like: a + d + r + i(b + e) How can I ...
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3answers
57 views

Printing the base 'b' value of an integer as a string (without the subscript base indication)

Is there a simple one-liner to convert a given base 10 integer to a string representation of this integer in some desired base 'b'? Is there a way to do this avoiding the subscript indicating the ...
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2answers
79 views

Hide function arguments (from unknown functions) for simpler output [duplicate]

How can I print my expression with my function's arguments hidden? For example: exp=A[r,z]+B[s]^2; HideArgs[exp] Output: ...
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2answers
116 views

Put results in multiple columns for comparison

One thing I would like to do in many instances is arrange input/output in columns for comparison. I expect that I need to use Grid to do this, but have not been ...
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1answer
125 views

Plotting blends of colors over lists of lists in 3D

I have a list of lists containing spectral data, many thousands of points long. Each sublist contains 13 parts, and I need to plot them in 3D with a blend of RGB colors derived from the spectral ...
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1answer
207 views

Giving value to a constant so that Mathematica simplifies the answer without having to do the whole operation again

I am doing some nasty integrals trying to fill in a matrix, and to save computation time, I set my hbar to be a constant of undefined value, so the answer it spits out consists of a real number plus ...
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2answers
134 views

How to get special solutions of this system of equations?

I only want to get all the solutions of this system of the solutions with a value of $k$, we have the same values ​​of $m$ ...
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1answer
105 views

export table with number written in scientific notation

I am trying to write on a file the table generated in this way: ...