Recent content by ferret_guy

  1. ferret_guy

    Calculating if two objects will come within a given distance

    After using wolfram mathematica I have found that the differential is: \left(\frac{2 \left(v_2 \sin \left(\theta _2\right)-v_1 \sin \left(\theta _1\right)\right) \left(-x_{1_i}+x_{2_i}-t v_1 \sin \left(\theta _1\right)+t v_2 \sin \left(\theta _2\right)\right)+2 \left(v_2 \cos \left(\theta...
  2. ferret_guy

    Calculating if two objects will come within a given distance

    I am writung some software for quadcopters and I need to be able to see if they will come within some distance of one another I think the best solution is to just find the closet approach. Only need a 2d solution as they are all on the same plane
  3. ferret_guy

    Calculating if two objects will come within a given distance

    I am having trouble calculating if two objects with initial positions and velocity vectors will come within a given distance of one another and if so calculating where the closest approach is. Can anyone point me in the right direction? My initial thoughts are that both are linear functions...
  4. ferret_guy

    Predicting the performance of a single team when they are randomly paired

    I would like to assume that the teams do not inhibit each other this is not always the case mostly the 2 teams of 3 compete for the higher score but if there is a way to do it with the other teams factored in that would be cool too
  5. ferret_guy

    Predicting the performance of a single team when they are randomly paired

    This is for first robotics specifically, FRC after a set of Qualification rounds you pick alliances i was hoping to find a method that would allow me to rank the teams from best to worst kind of like the Harkness System but with more than one player per team. I was thinking if you had...
  6. ferret_guy

    Predicting the performance of a single team when they are randomly paired

    So if there were say 10 teams that were randomly matched into alliances of 3 v 3 with a score given for eatch match. How can I given a sufficiently large data set determine how much each team affect the score that there alliance achieves?
  7. ferret_guy

    Solving the Parcel Problem: When to Go Out?

    I would think that there is a 88% chance of them delivering during the time your not there will always be 88% if you pre-select the time however if you were to leave the minute you got the package you would have a much higher probability of leaving towards the end.
  8. ferret_guy

    DIY Ice Rink Building Tips for Hockey Enthusiasts in South NJ

    You would get bettor heat transfer if the coils were inside the ice and you ran a fluid that will not freeze through it to prevent the chance of a blockage or something, causing your pipes to freeze and bursting your pipes
  9. ferret_guy

    Relative Postion Calculation using Accelerometer

    Many phones have gyroscope sensors and some have magnetic compasses but those have decreased accuracy indoors
  10. ferret_guy

    Tracking Distance on one Axis with an Accelerometer

    Thank you I was hesitant about posting code because I dident know how many people wold be able to interpret it
  11. ferret_guy

    Tracking Distance on one Axis with an Accelerometer

    This function is repeated many times so that is the speed that is dirived from the inatil meshurment and the Δt is the time since the last meshurment so were assuming that your travling at a constant speed for the time it takes to exicute the pice of code
  12. ferret_guy

    The probability of an electric car charging station being available

    Sure you could say you want the probably that you will be in one mile of one and they are eventually distributed across the Continental United States there are 3,119,884.69 square miles and there are 39300 square miles that are within 1 mile of a charging station so the probability of a charging...
  13. ferret_guy

    How to transfer text file from PC to TI nspire CAS

    You need to buy the CAS version to get the CAS functionality
  14. ferret_guy

    What are some tips for improving accuracy in shallow water flow simulations?

    What kind of stimulation? What are you trying to find out? what progam(s) are you using?
  15. ferret_guy

    Tracking Distance on one Axis with an Accelerometer

    I need to track Distance on one Axis with an Accelerometer for a rocket project (i know there are bettor ways t do this but i am dead set on this one) I was thinking as follows, Read Accelerometer Accelerometer*Δt=Δv Current speed+Δv=New speed distance+New speed*Δt=New distance
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