User Portlet User Portlet

Discussions
I am really hoping someone can help with this. I am getting two different results when using Integrate in Mathematica using the exact same integrand. When there is a new Kernel, the integral evaluates to one values, and after that, successive...
Just playing around with features of DSolve in Mathematica and came across a differential equation that DSolve is not able to handle for some reason. Hoping that someone knows why or a workaround for it. Defined the pendulum differential...
I am trying to plot the electric field intensity and vector directionality of a simple line charge. I tried plotting with StreamDensityPlot, however, the intensity (that is, the density component of the StreamDensityPlot) comes back as single color,...
I am back with another problem on the circular spring. With the help of Wolfram Community, I was able to get a spring to oscillate along an arc using trig functions and PolarPlot[]. The issue at hand now is that the oscillations of the springs do...
I'm trying to create a circular spring in Mathematica. That is, a spring that oscillates back and forth but along a circular arc, not along a 1D line. Most springs are written using ParametricPlot, but I cannot find a way for the spring to move in...
Does anyone know how to incorporate numerical analysis into Graphics? I set up a numerical solution to a differential equation using NDSolve. The solution executes perfectly fine. However, when you call the solution in Graphics, an error message...
I'm trying to use NDSolve with Manipulate but have difficulty doing so. I think the difficulty is because when using Manipulate, non-numerical boundary conditions are called in NDSolve, which I'm then trying to assign numerical value to in...
I feel like I'm trying to do something very basic that has a well-known solution. However, after hours of searching Community and the web I haven't been able to find a basic answer. I'm trying to control the step size in functions like Manipulate...
I'm trying to plot the output of an equation in Graphics. However, Graphics does not appear to recognize the output; only explicitly writing the function into Graphics will work (see code below). Does anyone know a workaround for this? ...
I'm creating a template for differential equation solving. I'm trying to write a script that takes the output from the solution of the differential equation and write it as a new function to be used in Manipulate [ Plot[...] ]. However, when I do...