ENG1060 Computing

[sajib_mostofa]

Whenever I come to do these labs, I just cant seem to apply what I've learnt to the tasks that we have do. It's just not become a problem in todays lab but my last few labs. I'm trying my hardest to prepare for these labs by trying to attempt them at home, attending the PASS sessions etc but I just feel so helpless. I'm almost worried that I might fail this unit because I remember from the first lecture we had, those who don't do well in the labs generally don't do well in the exam either. What's making me feel even more worse is that the majority are scoring like 7-10's every time yet somehow I feel like the only one in trouble.

[xZero]

Yeh the task is pretty damn hard this week, apparently it gets harder If you need help with the labs feel free to pm me and I'll give you some hints on what to do

[m@tty]

You could post here and we can all help each other out.

[sajib_mostofa]

Thanks guys, I might just do that from now on

[moekamo]

library test next week means ... we have no preparation to do

[sajib_mostofa]

Can anyone explain to me how 'for loops' work for Q1 lab 4?

[xZero]

what i did for q1 was

for x = 1:length(data) - for x = 1 to the number of elements in data,

     if data(x) < 0, new_data(x) = 0 - if the x element (1st, 2nd, 3rd etc) in the data is less than 0, the x element in new data = 0

     elseif mod(ceil(data(x))) , 2) == 1, new_data(x) = floor(data(x)) - mod(ceil(data(x)) , 2) == 1 is just saying that if i round the element within the data up and its odd, then round it down since it's the closest even integer

     elseif mod(ceil(data(x))), 2) == 0, new_data(x) = ceil(data(x)) - same thing as above except we round it up

     end
end

so the for loop is saying: for every element (1,2,3 to the max number of elements) in this vector, if something matches, do this, else if ... do this .... etc.

[m@tty]

A for loop basically says run the following section of code for these predetemined values.

ie.

for x = [1 2 3]
.
.
.
end

means run the code for x equals 1, 2 and three..

Anywho, how you utilise this in lab 4 is(how I used it at least.. there are other methods):

you take the length of the input vector to determine how many values need to be processed

then you say

for N=1:length(data)

end

and run the code element-by-element.

EDIT: My way's essentially the same as xZero's xD - and the part I've explained is completely the same haha

[sajib_mostofa]

Thank you both. Made much more sense now.

[Mao]

@sajib, it doesn't seem like you are having trouble with the course material, just mainly inexperience with programming. The best way to learn programming is by experimenting. 'studying' for ENG1060 is pointless when you can't match theory to a piece of code.

If you are learning a new command or function, don't try to answer the lab question immediately. Put in a few dummy variables (like an array with x=[1,2,3,4]) and see what the function does. You will then get a feel for how computer logic manipulate data and be able to put together your own code.

The above process should be used even when you become a fluent programmer. Debugging is very very important (especially when you need to write large chunks of codes for the assignment).

[taiga]

Btw have you had a shot at those weekly lab optional homework things?

[darkphoenix]

library test next week means ... we have no preparation to do

FK YEAHHH!

How did you get 0 sajib? I know a few of my friends got caught cheating and got 0..

But don't worry I'm in exactly the same situation as you..

[sajib_mostofa]

Btw have you had a shot at those weekly lab optional homework things?

I havent quite had a look at them but are they useful?

[sajib_mostofa]

library test next week means ... we have no preparation to do

FK YEAHHH!

How did you get 0 sajib? I know a few of my friends got caught cheating and got 0..

But don't worry I'm in exactly the same situation as you..

haha well at least its good to know I'm not the only one having trouble. As for getting 0, the only simple explanation I can give you is that I simply didnt know how to approach the tasks. As Mao said, learning theory is one thing but making and using your code is something different altogether.

[JinXi]

library test next week means ... we have no preparation to do

Knowing myself, chances are that i'll lose marks for this type of test than in an actual lab ....