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I'm having troubles in defining a function of three variables: $t$, $x$, $y$, from a moving bumpy surface that should be derivable relative to its three variables....
Asked on 04/17/2021
1 answer*In[1]=* Transpose[{a, b}]returned in earlier versions of Mathematica (e.g Mathemtica 12.1) simply*Out[1]=* Transpose[{a, b}]together with the warning: "Transpose::nmtx: The first two levels of {a,b} cannot be transposed." However...
Asked on 04/17/2021
2 answerOriginal: Is there any way to control Mathematica's inner simplification algorithm? I have seen several instances where FullSimplify does not yield the most optimal solution but instead gets stuck in...
Asked on 04/17/2021 by Filipe Miguel
1 answerI've been using NSolve a moderate (50-100 equations) size system of linear equations and it has been working splendidly (Solve on the other hand is extremely slow) and I thought...
Asked on 04/17/2021 by Jānis Šmits
2 answerThe examples for using MovingAverage mostly refer to data evenly spaced in time,such as stock values. In typical physics data, events arrive random in time (e.g. radio active decay...
Asked on 04/16/2021 by Hans W
1 answerI want to create a table with four different counters that I want to call $a, bar{a}, b, bar{b}$. For that my obvious code is $$text{Table}left[pleft[a,bar{a},b,bar{b}right],{a,0,1},left{bar{a},0,1right},{b,0,1},left{bar{b},0,1right}right] // text{Grid}$$...
Asked on 04/16/2021 by Minkowski
2 answerPowerMod[x,p,m] is significantly faster than Mod[x^p, m] for a large p I have an expression, say 12*5^p + 33*9^p + 15, and I need the value mod 1007 for some...
Asked on 04/16/2021 by Borislav Stanimirov
1 answerI have the following code:PowersRepresentations[10400, 7, 2]This produces Length[PowersRepresentations[10400, 7, 2]]=433789 number of solutions. Now I want to filter in those solutions, the filter must remove the solutions when...
Asked on 04/16/2021
2 answerI was assigned to write the following code:Clear[P, t]; P[t_] = {-t, t, (1/2) t (8 - t)}; arch = ParametricPlot3D[P[t], {t, 0, 8}, ...
Asked on 04/16/2021
1 answerI want to show in real time the number of times a blue object hits a red object or wall (=y axis).m1 = 1; m2 = 100^2; (*mess*) x10...
Asked on 04/16/2021
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