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  • Angel Furio 3:51 pm on May 22, 2017 Permalink | Reply

    The bear, the moon, and the Big Blue House… 

    Which topic/s in class made an impact to you? Why?

    • Vectors. Because of its interesting application I used in my vector journal topic (bees use vectors to communicate with the other bees the location of their food source). This is just one awesome application!
    • Differentiaru Equationaru (hehehe). This video topic of our group has been a challenge to us. It is quite difficult to explain it other than saying that these equations are just normal equations that involve derivatives. But it was so fun discovering real life applications of differential equations. There are just so many…:)

    If you can summarize this course in one word or sentence, what would it be?

    • CS 130 made Mathematics look fun *winkwink* 😉

    What would be your parting message to the class?

    Thank you for the super fun math adventure Sir Paul! The journals are also so helpful in exploring the applications of certain topics discussed in class. It made me search for awesome applications brought by these complicated math concepts. Thank you sir! ❤ 🙂

    “Goodbye, goodbye.. good friends goodbye
      And now, it’s time to go~
      But hey, I say, well that’s okay   
      ’cause I’ll see you very soon I know.. (very soon I know~~)

    -Goodbye song (Big Blue House)

  • Angel Furio 5:35 pm on May 14, 2017 Permalink | Reply

    Dancing with Fourier Transform 

    [dibs: Swing dance and fourier transform]

    Lindy Hop dance is a kind of a swing dance that originated in 1930s. Some people believed that Lindy hop is physics. And that it can be observed in the flow of energy in the dance, the changes in the linear and angular momentum, as well as the friction made with the floor. They say that:

    “Lindy is 50% Newtonian physics, 30% musicality and 20% magic.”

    Lindy Hop’s basic movements are pulse and bounce. In the video, fourier transform is used to analyze if you are pulsing enough during the dance. By measuring the acceleration and taking its fourier transform, one can now see if you are dancing with the beat!

    The top graph in the video shows the magnitude of acceleration as function of time in seconds.
    The middle graph shows the fourier transform of the last 8 seconds of acceleration in the graph above it.
    The bottom graph shows the transform of all the data up to that point in time.

    The frequency plot is measured in beats per minute and has a peak at 161 bpm, which is the tempo of the song! 🙂



  • Angel Furio 9:54 am on February 12, 2017 Permalink | Reply

    03: Symmetric Encryption

    In symmetric encryption, if Alice and Bob wants to send messages to each other, they will both agree to a private key that they will use when communicating.

    Example: Alice wants to send a message to Bob. Alice will encrypt the message with their private key and will send it to Bob. Bob will open the message and decrypt it using the same private key.


  • Angel Furio 9:32 am on February 12, 2017 Permalink | Reply

    02: Dancing bees~~~ young and sweet, only seventeen. . . 

    One fine afternoon during my Lingg 1 class, we were talking about animal communication system and our prof mentioned how bees communicate to other bees the location of a flower/food source they saw. Bees actually dance in front of the group and use vectors to describe the location of the food source! They walk in a straight line while shaking their body nang super intense with matching flap ng wings.

    Basically, may meaning yung steps na ginagawa nila. They align their body in the direction of the food source in accordance with the sun. So if they do the dance step nang pa-straight north, it means that exactly nasa direction ng sun yung food source. Kapag pa-straight south naman, it means that nasa south yung food source. They also do a 45 degree-inclination to the left or right of the sun para mas accurate yung direction na ibibigay nila. The distance is conveyed by the number of repetitions they do the dance. Amazing bees!!! 🙂




  • Angel Furio 9:29 am on February 7, 2017 Permalink | Reply

    Dancing bees~~~ young and sweet, only seventeen. . . 

    NOTE EDIT: Sir, can’t delete this post po.


    sumasayaw yung mga bees to communicate to other bees yung food source na nakita nila using vectors

  • Angel Furio 3:36 pm on January 19, 2017 Permalink | Reply

    01: Angel, Angel, Con..densada~ 


    What’s your name?

    Hello, I’m Ma. Angelica Furo Furio, my friends call me Angel 🙂

    What were your thoughts when you enrolled in this course?

    “umaygad Math ulit” ,”hala, naalala ko pa ba 55 (Math) ko?” , “yey, Sir Paul!!”

    Those were the thoughts running in my head when I enrolled in this course. Medyo nakaka-kaba ng slight since Math. Iniisip ko din kung gaano kaya kalalim na Math yung matututunan ko dito sa 130. And of course, ‘di mawawala yung tanong na “Paano ko kaya ‘to magagamit in the future”.

    How comfortable are you with math?

    I’m not that comfortable with Math, but I want to be a responsible student kaya gagawin ko best ko na ma-gets ang mga lesson 🙂

    What’s your dominant feeling right now?

    Yung feeling na mag-iinternship na. Yung feeling na ang hihirap ng subjects this sem pero sobrang interesting nilang lahat (CS 130,133,145,153,192,194) at gustong-gusto mong may ma-improve sa sarili mo this sem dahil dito. Yung feeling na sana kayanin ko talaga ‘to lahat.

    Lastly, sleeepyyy~~~ (hindi na po bago ‘to sakin hahaha) (pero di po ako natutulog sa class 😉 )

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