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Apr
11
comment Possible Bug in LinearSolveFunction with Sparse Vectors
Also reproduces in v8.0.4 and v9.0.1, win10 64bit.
Apr
9
comment Compute inverse Laplace transform with Integrate
@J.M. Yeah, exactly.
Apr
3
comment Solve non-linear system of 16 equations
You need a space between variables to represent the multiplication e.g. k o rather than ko.
Mar
29
comment Notebook contents changed upon re-opening
Dude, let's have a chat here, in Chinese: chat.stackexchange.com/rooms/37664/dcydhb
Mar
29
comment Need help solving a polynomial system
@ShadowWizard J.M. is just fulfilling his campaign promise :) : chat.stackexchange.com/transcript/message/6204161#6204161
Mar
29
comment Why can't FindFit get the proper result in this problem?
@Sektor The original post is indeed an answer (of course a bit too brief). Now it should meet the standard.
Mar
25
comment Computation of Hankel Transform using FFT (Fourier)
I think the HankelTransform in the definition of F0 should be DiscreteHankelTransform?
Mar
25
comment How to make a better `Sort` in my case
Interesting, I didn't know "." doesn't take part in sorting.
Mar
25
comment How to make a better `Sort` in my case
@yode Then why it doesn't mean "42, 1st"? Is the serial number limited to 1~10? (Notice that even "12" will cause trouble! )
Mar
25
comment How to make a better `Sort` in my case
@yode Then since the serial number isn't limited to 0~9, your naming rule turns out to be unclear. For example, should "42" be taken as "42, 1st" or "4, 2nd"?
Mar
25
comment How to make a better `Sort` in my case
I did check More when posting the previous comment but can't find options that seem to related to fonts, maybe they're not translated to 字体, I'm not sure.
Mar
25
comment How to make a better `Sort` in my case
@yode Oh, so there're functions for string padding in v10. (I'm still in v9. )
Mar
25
comment How to make a better `Sort` in my case
You should check 排序方式, not 分组依据 囧
Mar
25
comment How to make a better `Sort` in my case
Your screenshot looks quite strange, where's Name(名称)? And I can't find fonts related options in my OS, I'm using Win10, too.
Mar
25
comment Solve a system of nonlinear ODE
As to the "become True" part, read this: mathematica.stackexchange.com/a/46239/1871
Mar
22
comment What's the syntax to compile these functions, whose arguments are nested lists?
Is the argument the only irregular part? I mean, when the argument is passed into the body of Compile ,will they still be irregular, or be broken up into regular lists?
Mar
20
comment Strange Error with Initialization within Animate
Interesting, I thought Animate is just a Manipulate with ControlType -> Animator!
Mar
20
comment Rearrange generic expression into a quartic polynomial
@MarcoB Actually in v9.0.1 without the change of variable Solve still manage to find the solution in a few seconds, no matter $i$ represents imaginary number or not.
Mar
20
comment Rearrange generic expression into a quartic polynomial
Also remember to clarify if $i$ represents imaginary number.
Mar
19
comment Why Unevaluated doesn't work on unheld side of Rule/RuleDelayed?
@Xavier It's that question that motivates me to ask this :)