# Questions tagged [numerics]

Questions on the numerical functions of Mathematica, implementing numerical methods and numerical computing with Mathematica.

2,018 questions
Filter by
Sorted by
Tagged with
620 views

### How to solve the minimum value of a function without analytic expression?

The analytic expression can be obtained for f. f = Integrate[AiryAi[x], x] -((x (-3 Gamma[1/3] Gamma[5/3] HypergeometricPFQ[{1/...
• 327
22 views

### How to plot a function that depends on a solution to a numerical equation?

Consider a function H[q(t),r(t)] = (1/2)(f[r(t)]-f[q(t)]), where f(x) is known, r(t) depends on q(t), and q(t) is a solution of a numerical equation. Question: How do I plot H(t)?
52 views

### Representing a number in r0 + r1 E + r2 E^2 form

Let E be the base of natural logarithm 2.71... A Sequence S[n] is believed to converge to a ...
• 3,379
120 views

### NIntegrate: slow convergence error and speed efficiency [closed]

I am trying to produce a plot but NIntegrate is very slow and making a number of warnings, I have used UnitStep[] to keep the ...
661 views

• 4,458
163 views

• 243
1 vote
57 views

### Strange behaviour of IntersectingQ

I wanted to check whether two lists of complex numbers have an element in common and stumbled upon this rather strange behaviour of the function IntersectingQ. If I ...
• 1,196
51 views

• 597
1 vote
89 views

### Smooth out numerical fluctuation at known point

I have the following function ...
• 285
65 views

### How to avoid General::munfl errors?

Let's have a look at a following system of equations: ...
• 15
1 vote