Basically I have a hubble picture of a star cluster. I want to use octave + image to count all of the stars and store them in a an array of star-num|size (in pixels).
If possible I would also like to get the image coordinates of each star making the array star_num|size|x-coord|y-coord
Any suggestions as to what functions I would use and if this is even possible with octave?
I'm trying to use Octave to create a bifurcation diagram of the logistic map. My code rn is:
function [ ]= bifurcation(x_0,r_min,r_max,r_step,n,k)
for r = r_min:r_step:r_max
y = logistic(r,n,x_0);
function traj = logistic(r,n,x_0)
traj = ;
x = x_0;
for i = 0:n
traj = [traj, x];
x = r*x*(1-x);
Even after leaving it running for hours and hours, it's barely plotting the first third of points. Is there any way to get it to execute faster? Perhaps some packages I can download, or different commands to use, etc.? I have the standard installation of Octave (x64) running on Windows 10.
Thank you so much.
Told to post... please dear God don't eat me apart for opening up...I need an outlet. Love singing. Alto that had 3 1/2 octave from tenor up I have an f# break that I can lilt. I'm too shy to talk to anyone In person but I'd love to have some lessons to be more ....well...better with control. The older I get the less scared I get. Bc....fkt
Also anyone bored. I harmonize and would love to just jam. My wheel house is low but love a good high note. We are all quarantined so what do we have to lose?? Idk the genre. Love old Hank Williams but also give myself to some bebe, Amy, Halsey, Gaga, etc... I just want to express and feel I'm creating something in this void yeah? Hope y'all are healthy and find an old love like I'm trying to
Pardon me if this is a dumb ass question. I am a beginner when it comes to music theory and I'm currently practicing triad chords on my piano.
Lately I've been playing a chord progression that goes like this: F - C - Em - Am. I play triad chords with my both hands at the same time, two octaves apart just for practice.
However, I've noticed, that when I play the Em chord from lower octave, and play an E major from the higher octave, it sounds surprisingly good. Also works the other way around I think.
Is this possible or is it just because I am a noob?
I have downloaded an "image" processing package for Gnu Octave. Does it need to be in a specific folder? It is a "gz" file. When I unzip it, it becomes a "tar" file. Which one do I use? Once I put it in the right folder, do I just install it by typing "pkg install -forge package_name"?
he can literally hit more notes than a piano
hola necesito ayuda con octave gcu, debo crear una funcion por partes y graficarla y no se como hacerlo. ¿Alguien me podria ayudar por favor
esto es lo que hice yo pero aun no se si voy por el camino correcto o esta bien lo que hice
%%Datos de entrada
%%En la troposfera z=0 po=300000
%%funcion de presion
%%Datos de entrada
n=... keep reading on reddit ➡
Hey everyone! I'm 15 and my vocal range is more of that of a baritone. I can get up to D4 easily when singing but after that I have to start belting up to a G4.
Is there any way I could be able to sing comfortably and without belting in the range in chest voice?
Do you still think Octave is suprerior in what it is good for, for example data manipulation and analysis?
There could be other alternatives, for example R or Python, but I think when you have to handle large data matrices and do basic arithmetic or some linear algebra on them, Octave seem to be the way to go.
R seem to be difficult with algebra and Pyton looks unhady when you have to try out a bunch of stuff and you also wanna develop your method of analysis.
What are the other options, what do you think, what is you preference and why? (I know there are ipython or Jupyter notebook to make python more interactive, but i thought it didn't make it that much handier)
I'm sure it's depends a lot on your data. I have time-space trajectories of grouling animals from GPS, and i do analysis on their relative positons and veloccity, acceleration.
I was just curious if it was possible for a Baritone to belt notes in the upper 4th octave (G#4- B4) without really pushing their voice or straining it. And if it is possible, how much vocal training would be necessary to reach that kind of level?
Illooking to get a good pedal that can go two octaves down and one octave up.
Since I’m gonna be stuck at my house few weeks I want to tell her solo what’s a good one for a good senior in high school to learn they would also be a challenge and could be played on the floor third octave marimba
Im currently learning a piece in which the right hand has to play several octaves in quick succession (it jumps around the keyboard quite a lot). Im having trouble with playing the correct notes, especially since some of those octaves are on the black keys. Any tips?
It's quarantine time, and that means more time to play marimba. I have been searching for pieces to learn, but most of the pieces I find are like 4.3 to 5 octaves. While I would love to learn them, I am limited to 4 octaves. Could be 4 mallet or 2 mallet.
Long story short, i didnt. Cab was just fine, apparently the FX loop was corroded on my amp and the line in was switched on because of the corrosion and we just sprayed some stuff in there and fixed it. I had a professional clean all that junk, and i put a new preamp tube in too because my other one was microphonic, but that was NOT the issue.
Long story short, Octave pedals still have yet to break my cab, and this is an update for all those who were helping me on my old post, but i didnt want to reawaken a dead post.
Ps. If youre wondering why the 2nd amp didnt make any sound when i played through it, I MAY or may not have accidentally left master volume at 0...
I'm happy enough with my higher notes. I top out at a C5 with a lot of warming up most days. However, my lower range is lacking, with weakening below G2 and a cap at E2 on average. On one or two rare occasions I was able to hit B1. Will I be able to get these notes with enough training? Or will I only be able to train higher.
So I've posted in here before. Currently renting a 3-octave marimba for just $40/month; doesn't have resonators or any other bells & whistles, but it gets the job done for now till I can finish grad school and save up for that Mode 5. (You can believe that will be how I know I've made it after grad. school ha.)
In the meantime, anyone know any 4-mallet solos that can actually fit on a 3-octave? Yellow after the Rain fits. Sea Refractions aaaalmost fits. I got through just over 2 pages of Undertale Variations before needing a note I don't have :/ (I'm still practicing those first couple of pages in my warm-ups just to make sure I have them mastered.) But... I've sort of ran out of 4-mallet music. I'm hesitant to purchase any other solos before checking that I can actually play them in their entirety on this small-ish marimba.
Any suggestions would be helpful!
So I am preparing for an audition, and I am not sure if I should play four octave scales or three octave scales. My friend who plays the violin says she played three octaves for her audition. She also says that if she were to have played a four octave scale for her audition then she would’ve gotten points marked off. Is this any different for the cello?
I’m trying to get more friends into techno! I myself have just gotten into it the past year or so, so I definitely don’t know as much as many of you. I wanted to gather thoughts on this show and if it would be good to bring friends that have never been to a show like this before, or would it be too overwhelming? https://facebook.com/events/s/higher-level-richie-hawtin-cha/1031810047192944/?ti=icl
My original range was about Ab2 to G#4. Now my maximum range is Gb2 to C6 😱😱😱
I've had some formal training in the past. I went to school for composition mainly, tho I sung in choir and took vocal lessons. I dropped out 4 years ago, got super depressed, and then for the past 2 years I've been climbing out of that depression hole, continuing to work on my voice.
It took a lot of improvement on my anxiety and also getting back in shape physically to expand my voice like this. I am so so proud of and happy for myself 😍 I am still working on tone and consistency, but like holy FORK I never expected an increase this dramatic. Just wanted to share with yall. Keep trying, don't give up; own your voice and know that change IS possible 💙💚💙💚💙
139/144 Black Edition
This thing is so versatile. You can straight up use it as a clean boost pedal or octavia type analog octave, or crank the fuzz side and do high gain op-amp stuff — or anything in the middle. The clean blend makes it absolutely huge on bass and keys. And the infinity switch is unique and hard to describe — basically creates a natural phase effect between the clean, octave, and fuzz circuits, so all three kind of swirl and come in and out subtly. Hard to describe, but sounds a bit like if you had a phase pedal that gently goes circuit to circuit. Another cool setting: fuzz almost all the way off, blend all the way to fuzz, EQ switch set to high boost, and emission knob all the way up. It’s like instant Hendrix octavia gated awesomeness like on “Who Knows” from the Band of Gypsys album, and can get super gated and sputtery with your volume knob. You can also just not have any of the octave, and then it’s a kickass I... keep reading on reddit ➡
So I saw this picture of the different octaves of C and I didn't know that is could reach that high. I only have seen C2 to C5. I am not a music expert obviously but exactly how low and high a note can go?
I have also looked at virtual online pianos and they only seem to reach to octave 2-7...is that correct?
I'm referring to this part.
I this particular opera song is prevalent in pop culture. It is likely in Italian, but maybe french? It is very much the climax of the opera piece, with the male singer belting this line out powerfully.
I think that the foreign syllables "o-so" are sung on the notes that Todd sings "a-nna" from "Joh-a-nna". I think It is the ending of a word (Like "valioso" or something like that)
I really hope that I am not crazy and that somebody will know what I am talking about.
Thinking of getting an octave driver in the near future. Any recommendations? Particularly if they work well with analog delay such as the Carbon Copy?
Ok, so I have no doubt in my mind you guys get this question like every damn week but I will say my experiences with playing an octave pedal.
I have a boss OC-3, a Marshall JCM 2000, a Schecter Demon-6 (distorts VERY well) and some random ass speaker cab I got from a music store (its a Marshall Code Speaker Cab, but its 200 watts. Most of the ones found online are 120 watts, this one is guaranteed 200).
So I moved my stuff to my garage and one day with some quite nice rainy weather I decided to play. I turned the master volume up to about 5 on the amp (earplugs in obv, that sh*t is LOUD) with my OC-3 plugged in, and my speakers just straight up stopped emitting sound.
I tried another pickup, no avail, my battery didnt die as my guitar still gives off sound even if it's dead, i tried different guitar cables, I tried different speaker cables, I tried a new amp head, I tried Direct lining it into the amp instead of going through my pedal, I even tried dry testing the guitar cable by... keep reading on reddit ➡
I’m a saxophonist, but I like screwing around with effects. I want a clean octave down, what would you guys recommend? I’ve been looking at boss’s OC-3, but I’m not sure yet.
Edit: I’m on a small budget plus it’s not something I’d use a lot, I’d prefer to spend under $100
I have a tendency to try and match other singers tones and not really use my own. Does anyone have this problem, and maybe have a way to break this habit?
My metalcore band has been trying (unsuccessfully) for the better part of a year to find a bassist and we're starting to lose hope. A friend suggested having our rhythm player run his guitar through an ABY switch and having the B channel go to an octave pedal then a bass amp. I have all the equipment necessary except for a dedicated octave pedal.
I personally don't have a ton of use for something as expensive as a POG variant, so I've mostly been looking at the Sub n Up and the OC-3. I like that the OC-3 already has a split in it as well as a knob to limit the range that is octaved, but I've heard that it doesn't track well and doesn't handle chords well.
Obviously this is not meant to permanently replace bass, we're just looking for temporary fix to help our live performance. What would y'all recommend?
New to this game so please excuse me for posting what is possibly a simple question.
I tried to find anything regarding this, but I can't seem to find this mentioned before: How can I change the default octave of my pads when in the Main window? All instruments i load seem to play C-0 on Pad 1. I'd like to have it at C-2 or 3.
I'm aware that I can change all this in notes, but I would like to have the default changed in the Main window so it doesn't sound like impending doom all the time!
Firmware 2.7.1 (straight out of the box)
Thanks in advance!
Legends - Juice WrdMost of the people here probably wont like the artist, but in this song in the beginning (verse 1) with: „I usally have a answer...” i just cant recognize if its under the middle C (C4) and just sung pretty energized or does juice wrld have a stronger voice in higher registers? I feel like i have this problem with a lot of songs, in which i cant differentiate between the artists voice type and its height
I'm learning Shostakovich's cello sonata movement 2 and I would like to know if any of y'all are able to share any practicing tips for the octave passage before the harmonic section. Thank you in advance!
I just got a keystep and I am really excited about it! However I have been having this minor issue that I cannot seem to find an answer to.
This happens with my DAW and with my volca keys. Starting from the center octave. If I shift my octave down, input a sequence, take it out of record, and press play, everything will seem fine
But, if I use the transpose function and hit a new key, for some reason it jumps down two whole octaves. I can't figure it out. When I turn the sequence off, it returns to the correct octave I had originally chosen. The issue only happens while the sequencer is playing.
Has anyone heard of this? Thanks!
Hey guys, I'm a soprano with a comfortable range of D3-D6 (a few semitones below and above that too, but only on a good day!). For my last concert before I graduate I'm looking for an aria to perform that will show off my whole range, or close to it. Any recommendations?
Ditto is in excellent condition comes with box, all cables, and manual
Looking for octaves especially POG 2, Boss OC-3, or MXR Bass Octave Deluxe
If you have anything else make an offer
For those of you who have managed to increase your modal range by over an octave, how long did it take you? I started off at around A4, and have been consistently training to reach a certain range; During the first month or two, I managed to reach C#5, but most of the time after that has been a sluggish crawl that usually takes a month or more just to gain a single semitone--that usually takes another month to become somewhat stablized.
Since I have no idea when I'm going to have an A5 or higher, I've turned to you guys: How long did it take you to add an octave to your full voice range? I'm trying my hardest to take things slow so that I can actually sing the notes rather than just becoming some nodulated screamer, however I'm also eager to achieve the range expansion goals that I've been striving for!
In a chord progression like I vi IV V I, are all chords in same octave or iv can be from lower octave than I?