Linked Questions

3 votes
1 answer
5k views

How to increase precision: $MinPrecision does not help [duplicate]

I have the following series: ...
Anixx's user avatar
  • 3,585
2 votes
1 answer
192 views

plot of polynomial expression failed [duplicate]

I want to plot a polynomial expression for {a,0,1}: ...
Gae P's user avatar
  • 637
2 votes
1 answer
182 views

Strange behavior when replacing variables by numerical values [duplicate]

I have a rather complicated function with parameters {a, b, c, d, e, f, k}, and I'd like to know its behavior as a function of k alone given other parameters, so I try the following code: ...
Leo Fang's user avatar
  • 754
1 vote
1 answer
208 views

Numerical error in compile, Strange behaviour in numerical evaluation

First of all, apologies for the large numbers, I couldn't find a working example for a far lower order and the zeros are necessary... my problem is this: I have a large polynomial (from high-order ...
John P. Wiener's user avatar
1 vote
1 answer
194 views

User defined functions and decimal places displayed

I have a couple of complicated user-defined functions, one which calls the other, and I wish to control the number of decimal places displayed when I call the "mother" function. I have tried the ...
Freakalien's user avatar
1 vote
1 answer
109 views

Improving working precision of LegendreP[n,x]? [duplicate]

I was trying to evaluate N[LegendreP[5,0.1]] The cell gives me: N[LegendreP[5,0.1]]=0.178829 However I wanted more ...
bboczeng's user avatar
  • 449
1 vote
1 answer
117 views

Calibrating Precision in calculations

As the title says, I encounter an irritating problem which has to do with the accuracy or the precision used in the calculations. To be more specific, I have the following code: ...
Vaggelis_Z's user avatar
  • 8,760
1 vote
1 answer
2k views

Adding precision for the calculation of a function

I have some function $f(x)$ I wish to evaluate, which is yielding divide-by-zero errors for sufficiently large inputs. How do I increase the precision with which this function is evaluated in order ...
Roger Harris's user avatar
  • 1,497
1 vote
1 answer
1k views

Relative error plot [duplicate]

I was plotting the relative error of the $e^{11/12 -n}n^{n+1/2}$ approximation to $n!$ as $n$ gets larger and larger, and at some very large value of $n$ Mathematica gives this plot: Can somebody ...
George's user avatar
  • 13
1 vote
1 answer
2k views

Increasing number of decimal places in Manipulate input

I've made a Manipulate app. in Mathematica where I vary the value of a function f(a) by varying the parameter a. However, I seem to only be able to edit my input for a for a value up to 5 decimal ...
Mel's user avatar
  • 475
0 votes
1 answer
252 views

Is there anyway to remove the noise from the graph in Mathematica?

I am trying to find the root of an equation in Mathematica. But am unable to find it. The Plot function gives a very noisy graph. Can anyone please provide me with a solution to this ...
Saquib Mohammed Haroon's user avatar
2 votes
0 answers
64 views

How to force Mathematica to plot the log function correctly for the given argument?

Consider functions ...
John Taylor's user avatar
  • 5,733
0 votes
0 answers
69 views

Getting a wrong plot after NIntegration

I am trying to plot this function numerically. R2T = ...
sachiraj mishra's user avatar
0 votes
0 answers
77 views

Matrix ODE gives badly-behaved numerical solution [duplicate]

I am trying to solve matrix ODE: ...
Jieyu You's user avatar
0 votes
0 answers
98 views

Why is PolyLog[] giving weird answers for ordinary values? [duplicate]

Possibly related to this question, but it seems slightly different: Strange behaviour of PolyLog Function Wikipedia says that for real s, z<1 should be real. So I was confused when MMa returned: ...
F dot Floss's user avatar

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