Jens
Reputation
1422/1000 score
 17m comment How to make a flowchart? I know you've already thought about this before - see Controlling TreePlot (and GraphPlot) layout issue; but in all its generality this question seems a bit too much work to fit into a single answer... Just another idea without graphs: perhaps one could adapt Circuit drawing in Mathematica to your purposes. Someone has to put in the effort, though... 7h comment Schrödinger equation for Hydrogen atom Your solution approach seems overly complicated because it still requires matching the derivatives at $RM$ after already having introduced the (not strictly valid) condition of vanishing amplitude at $10RM$. You may as well do just a single ParametricNDSolveValue up to $10RM$ and solve for the Ei that makes the amplitude vanish at the end point. Then the continuity of the function and its derivative is automatically insured. Also, SCHR2 didn't solve anything when I tried it. 19h reviewed Leave Open Changing a piecewise function into a periodic function 19h reviewed Close Easy way to create an histogram with given heights? 19h reviewed Leave Open Fitting bivariate data using FindFit 1d answered sum involving binomial coefficient 1d comment Suddenly all outputs begins with a newline… What to do? It could also have to do with the style sheet. Impossible to tell without additional info. Maybe send the whole notebook to Wolfram support. 1d comment Double arguments and place of the underscore Don't use C - it's a reserved symbol. 1d comment How to numerically solve a 1-d time-independent Schrodinger equation? @Peltio I know, it's really funny... who said that reading scientific articles can't be amusing? And it shows why sites like this are needed. 1d comment Restrict Locator to a certain graphic inside Manipulate @shrx The locator is restricted to the right plot region. I just tried it. It does move to the edge of the region if you click as you describe, but it never leaves that region. 1d revised How to numerically solve a 1-d time-independent Schrodinger equation? Answering another part of the question. 1d awarded Nice Answer 2d revised Can a LatticeData image be displayed in a space filled fashion Added workaround 2d comment How to numerically solve a 1-d time-independent Schrodinger equation? I think it's easiest to do that kind of normalization with an $r$ integral directly, then you won't need any Jacobian factors. But of course you'll get problems when the high-lying states aren't spatially resolved, as I already said. If you want such states to be represented more accurately, you'll have to modify either MaxCellMeasure or the transformation of variables. Maybe I'll write some more tomorrow. Feb 6 comment MatrixForm in Mathematica See in particular point 8 in this post Feb 6 revised how to generate a 3d graph of HCP crystal structure Added workaround Feb 6 comment how to generate a 3d graph of HCP crystal structure added bug tag because of the previous post that's now linked in the question. It's probably OK to have this question for reference. Feb 6 revised how to generate a 3d graph of HCP crystal structure Edit to make bug reproducible; edited tags Feb 6 comment how to generate a 3d graph of HCP crystal structure This could be made into a valid question by adding the code to reproduce it. I'll just do that because I already did it before... Feb 6 answered how to generate a 3d graph of HCP crystal structure