# All Questions

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### Difference between StringJoin and StringExpression

When does one need StringJoin as opposed to StringExpression? I don't know of an example where ...
141 views

### Crop the object area in an mage [closed]

How to crop the object in the image by black pixel or white pixel area. I want the idea or any code for this. Bounding box is in Matlab. But here we are not have the bounding box options. ...
51 views

### substitute tangents plane in a function [duplicate]

Let f:= x^5+x^2*y*z^2+z^3*x*y; and let S= {{2,1,0},{7,7,1},{5,1,0},{3,0,1}} be a set of points . I need to calculate the tangent ...
352 views

### Create new notebook at fixed size

Using Ctrl+n we are effectively doing FrontEndTokenExecute["New"] and, at least on Windows, new window has WindowSize equal to ...
119 views

### Show Factorial instead of Gamma in the result of RSolve

Now I wanted to solve for a recurring function with RSolve. Here's how I tried: ...
84 views

### How to understand the symbolic integral in a result returned by DSolve?

I am trying to solve an ODE like $$\frac{dF}{dx}=\frac{a}{\ln^3 x+[c+d(ax+b)][2\ln x+c+d(ax+b)]\ln x},$$ where $a,b,c,d$ are constants. I guess it could contain a special function, say, the ...
144 views

### Plot 2 plots together with different y-axis: in version 10 will not plot entire range

I am trying to plot 2 plots together with a common x-axis and different y-axis. I have tried implementing the modules shown in 1 Plot, 2 Scale/Axis however I do not see the full range of data in the ...
140 views

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### How to created visualization dashboard for summary data?

I would like to create the following dashboard: The numbers indicate my desired dimensions for the cells. I would like the cells to contain a regional plot, a trend line, and bar charts. I have ...