# All Questions

79 views

### Optimization of one portfolio of stocks

I would like to use Mathematica to perform an optimization of a portfolio composed by 10 stocks. I did the first part to compute yields and expected yields, but I don't know how to finish the ...
248 views

### How can I connect database(MSSQL Server) with Mathematica?

Newly I started working with database(MSSQL Server 2012). by google help, I created Table name as EmployeesList and also ...
208 views

### How to connect Mathematica 9 to MS SQL 2012 using Windows 7 enterprise (64-bit)

I have used Microsoft Open Database Connectivity (ODBC) with Mathematica 8.0 and MSSQL 2008 on Windows XP, but I can't get it to work on Windows 7 Enterprise (64-bit) with Mathematica 9.0.1.0 and MS ...
72 views

### How to make repetitive calculations by using the previous result within Do, Nest, Table or others [on hold]

Edit: I am looking for a solution for a problem to use repetitive operations within each result to depend on the value of the previous result. How to construct the code and what command do you ...
44 views

### How to convert this answer into $\ln$ form?

I find the integral Integrate[Sqrt[2 x - x^2] + x^3 Log[(9 - x^2)/(9 + x^2)], {x, 0, 2}] and got ...
46 views

### how to deal with so many digits in plot ticks [duplicate]

the data is as follows ...
129 views

### random geometric graph generation problem

I'm new to Mathematica. I'm trying to generate a random geometric graph in which to have a secure link between any two arbitrary nodes they should share a common key in their key rings (have assigned ...
159 views

### Export notebook in landscape orientation

Assuming the following is a notebook with a linebreak: How might I export a landscape pdf (preferred although other formats could work) such that each cell content each group of cells above and ...
46 views

### Drawing an arrow pointing at the “Enable Dynamics” button

Sometimes my students are given Mathematica notebooks as part of an assignment, and asked to go through some demonstrations contained in the .nb file. A lot of times I get complaints that the "graphs ...
40 views

### Assigning an equation as a variable

I am compiling a calculator where many slider parameters are used to define a value, where the defined value may then be reused to define another value. I am unable able to, or at least been ...
63 views

### Calling Mathematica from Java

I'm trying to write a Java program that uses Mathematica code, but when I compile it, a window appears asking for MathLink. I enter ...
59 views

### StreamPlot,smooth curves

Using the StreamPlot I observed that when the streamline is a small circle, this line is not smooth. How can I increase the number of points along the streamline? For example, these are the magnetic ...
145 views

### Need help fixing fit, eliminating the error of property values assuming unconstrained model, and correcting script for an implicit function

I fit some data with FindFit and NonlinearModelFit as well as obtained the parameter table and ANOVA table: ...
19 views

549 views

### Compiling more functions that don't call MainEvaluate

I would like to use Compile with functions defined outside Compile. For example if I have the two basic functions F and G F[x_] := x + 2 G[x_] := x And I want ...
216 views

### BoxWhiskerChart with logarithmic axes

I would like to make a following chart Ideally I would also like to control the boxes position on a logarithmic x-axis. Some inspiration how to do the latter may be found in the answer to my ...
64 views

### The processor of rotation by the axes z [on hold]

Recently,I want to know the processor of line (1,0,0) to (0,1,1) that rotate by the z axes. My trial: ...