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Jan
23
comment Reading binary strings from file as strings
@Ajasja It's because it's simple. Easy to understand the problem and easy to understand the answer. The other question/answer is big and intimidating.
Jan
16
comment How to get a rule for, e.g., (x + y) to apply to (-x - y), etc.?
Use FullForm[x + y] and FullForm[-x - y] to see how those two expressions are different (or TreeForm if you are feeling daring). ReplaceAll is a dumb function that is not going to transform your expression for you. It may not be friendly, but it is reliable. In general, as Kuba has suggested, it's better to replace atomic elements.
Jan
15
awarded  Good Answer
Dec
17
answered A fast way to compute arrays avoiding If or Which
Dec
10
comment calculating a sequence of functions using iteration
Actually I'm not sure how one would effectively memoise this. How do you cope with the conditions on the argument that isn't memoised?
Dec
9
revised calculating a sequence of functions using iteration
added 314 characters in body
Dec
9
answered calculating a sequence of functions using iteration
Dec
8
awarded  Enlightened
Dec
8
awarded  Nice Answer
Nov
20
comment 3D Plot of .txt File of the Surface Plotting Variety
I probably wasn't clear in the answer. Import["C:\\yourfile.dat", "Table"] will read the file directly. I just used ImportString as a toy example.
Nov
19
answered 3D Plot of .txt File of the Surface Plotting Variety
Nov
18
comment Fitting a function
You could use a rule fit /. m_ t + c_ :> m or pick out the right part fit[[2, 1]]
Nov
17
answered Fitting a function
Oct
21
accepted Interpolating data with a step
Oct
17
asked Interpolating data with a step
Oct
17
comment Too much whitespace in a GraphicsGrid containing Legended Plots
You could try Grid instead of GraphicsGrid.
Oct
17
comment Newton-Raphson Method and the Van der Waal Equation Coding question
Looks like you actually want a root this time instead of the minimum. Change FindMinimum back to FindRoot. Also don't forget to adjust your PlotRange.
Oct
17
revised Newton-Raphson Method and the Van der Waal Equation Coding question
added 293 characters in body
Oct
17
comment Newton-Raphson Method and the Van der Waal Equation Coding question
Starting conditions were found by trial and error: minimise with a starting value function, plot the results, make up a new function that approximates the good bits of the plot, repeat. See the edit for a better way to do it.
Oct
15
comment Customizing & finding intersection points in polar plot
That's why I'd like to know exactly what the theorem is. As far as I can tell, the curve does not go through equally spaced points at those angles (aside from my ability to count to eight).