User Portlet
| Discussions |
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| Thank you for the suggestions. DSolveChangeVariables works in my old 13.1 version. It does, in one step, all what I try to follow step-by-step to get he radial equation for a 3D harmonic QM oscillator. Gorni's answer is in line with the... |
| Many thanks for your kind advice. Substitution needs concentration indeed! Best regards, ChG |
| Thank you very much!. I blush.. Must have mixed up with TeX- output one way or another. |
| Thank you Alam, After I removed $Assumptions, then my err3.m also solves the equation system. Best regards, Christer |
| Dear all, I am a Windows user and a newcomer to Mathematica (8.0.4.0; used Macsyma earlier). Moreover I have never abandoned the efficiency of batch processing (punched cards....). Therefore I use scripts. So, while a script is being developed,... |
| My first use of Mathematica is to draw a tree-graph. With few nodes it works. With many the labels are truncated. An example follows. Can I widen the graph? Can I rotate it? Here is the TreePlot: ... |