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by srvaldez
May 22, 2019 22:39
Forum: Projects
Topic: Creating (scientific) plots via gnuplot
Replies: 68
Views: 2216

Re: Creating (scientific) plots via gnuplot

@badidea yes, plotting arrays looks interesting dim as string plot_command const max=20 plot_command=chr(34)+"array A["+str(max)+"]=[" for i as long=1 to max plot_command+=str(i) if i<max then plot_command+=", " end if next plot_command+="];" plot_command+=&qu...
by srvaldez
May 22, 2019 13:16
Forum: Community Discussion
Topic: Wiindows 10
Replies: 24
Views: 1235

Re: Wiindows 10

you are right, it's just a guess how long it took, being a VM I was doing other things in the host OS
by srvaldez
May 22, 2019 12:41
Forum: Windows
Topic: Has anyone experience with LIBRSVG and CAIRO....
Replies: 1
Views: 108

Re: Has anyone experience with LIBRSVG and CAIRO....

the dependencies of Librsvg are high, you would probably windup with 20+ dll's and the header translation may not be so simple, have not tried with fbfrog yet.
headers and examples for Cairo should be in the FB distribution
by srvaldez
May 22, 2019 11:31
Forum: Community Discussion
Topic: Wiindows 10
Replies: 24
Views: 1235

Re: Wiindows 10

yes, it's 1903, that was about 3 or 4 weeks ago.
by srvaldez
May 22, 2019 10:51
Forum: Community Discussion
Topic: Wiindows 10
Replies: 24
Views: 1235

Re: Wiindows 10

unfortunately I did not time it, all I have is HDD and it did not take that long, less than one hour.
by srvaldez
May 22, 2019 10:16
Forum: Community Discussion
Topic: Wiindows 10
Replies: 24
Views: 1235

Re: Wiindows 10

@fxm, I have it installed in one of my VM's, but I spend very little time on Windows nowadays
by srvaldez
May 21, 2019 16:48
Forum: General
Topic: How do you interoperate with other applications using double-precision floating-point?
Replies: 15
Views: 378

Re: How do you interoperate with other applications using double-precision floating-point?

hello cbruce I have exactly the same function coded in FreeBASIC that is in a paper I'm working from where the function was coded in MatLab. Here are the results of the two: FreeBASIC result: z[n+1] = 0.007268783820012809 + 0.05340708046876657 * i MatLab result: z[n+1] = 0.0072687838200128062515 + 0...
by srvaldez
May 21, 2019 16:02
Forum: General
Topic: How do you interoperate with other applications using double-precision floating-point?
Replies: 15
Views: 378

Re: How do you interoperate with other applications using double-precision floating-point?

hello cbruce
I suspect that it could be a precision difference in the complex math calculations between that of FB and Matlab, that is, one or the other does the complex math more accurately, unfortunately I can't verify this.
by srvaldez
May 21, 2019 2:15
Forum: General
Topic: How do you interoperate with other applications using double-precision floating-point?
Replies: 15
Views: 378

Re: How do you interoperate with other applications using double-precision floating-point?

MathWorks wrote:MATLAB constructs the double-precision (or double) data type according to IEEE® Standard 754 for double precision.

so does FB, please show some math calculations (not jus the results) in MATLAB and the same in FB
by srvaldez
May 21, 2019 1:35
Forum: Projects
Topic: Creating (scientific) plots via gnuplot
Replies: 68
Views: 2216

Re: Creating (scientific) plots via gnuplot

in dislin.bi inclib probably was including the wrong or missing lib
btw, this thread has gone way off topic, one reason I have not participated, even this post is off topic.
by srvaldez
May 20, 2019 15:44
Forum: Community Discussion
Topic: fawlty/idl programming language
Replies: 9
Views: 442

Re: fawlty/idl programming language

Tourist Trap wrote:Giac is a C++ library, it is the CAS computing kernel
I'm not good with external libraries linking and using from inside FB. And here it's some C++ stuff, it may be difficult to interface.

right, only a heavy-weight expert could tackle that one.
by srvaldez
May 20, 2019 12:02
Forum: Community Discussion
Topic: fawlty/idl programming language
Replies: 9
Views: 442

Re: fawlty/idl programming language

gnuplot does quite well in choosing default values like x and y range and other options to make it easy to use, what I would like to have is the plot functionality of Mathematica in a library, where you can can make a 3d-plot with a simple command like Plot3D[Sin[x + y^2],{x,-3,3}, {y,-2,2}]
by srvaldez
May 19, 2019 22:52
Forum: Community Discussion
Topic: fawlty/idl programming language
Replies: 9
Views: 442

fawlty/idl programming language

in reference to https://www.freebasic.net/forum/viewtopic.php?p=260876#p260876 dodicat's mention of the fawlty programming language https://www.flxpert.hu/fl/ and https://www.harrisgeospatial.com/Software-Technology/IDL#language it looks like a nice interpreter geared for graphic visualization of da...
by srvaldez
May 17, 2019 15:35
Forum: General
Topic: FBComplex - complex number library - 64bit?
Replies: 5
Views: 246

Re: FBComplex - complex number library - 64bit?

hello cbruce
I just compiled the lib to 64-bit and the mandel program compiles and runs ok, may I suggest that you place the lib in the proper lib folder in the FB installation.
or you could just include the fbcomplex source in mandel.bas

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