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# Jolanta Tracz

29 total contributions since 2016

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Basic commands - Excuse me, what time is it?
Please write a function, which will return current hours and minutes, please notice we are using 24h time. Return a vector li...

4 years ago

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Basic commands - logarithmically spaced vector
Make a function, which will give a vector: y=[ 0.01 0.1 1 10 ... 10^x];

4 years ago

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Basic commands - Left division matrix
Please write a function which will left division of A,B Pay attention this is right division: A/B

4 years ago

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Basic commands - Least common multiple
Make a function which will return least common multiple of "a" and "b" Example: a=8; b=6; y=24;

4 years ago

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Basic commands - Greatest common divisor
Please write a function, which, will put as output greatest common divisor. Example: A = [-5 17; 10 0];...

4 years ago

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Basic commands - How old is your matlab version?
Please make a function, which gives amount of days since release it's version.

4 years ago

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Basic commands - Which licence do you use?
Please ask Matlab which license do you have on computer. Interesting fact: Pay attention what number of license has Cody. ...

4 years ago

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Basic commands - What platform are you using?
Please ask matlab waht platform are you using.

4 years ago

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Basics - not so easy division
Please make a function whcih divides x/y, but pay attention for some exceptions with NaN,0,Inf. Sometimes return "ERROR" instead...

4 years ago

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Basic commands - What if you can't use mod?
There is a function to calculate remainder after division, but it's not mod. Can you remmeber that function? HINT: Try to lo...

4 years ago

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Basic commands - Which matlab files are here?
Please make a function which will list all specific for Matlab files in current folder.

4 years ago

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Basic commands - Where did I install Matlab?
Please make a function, which returns path to Matlab installation folder

4 years ago

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Basic commands - amount of inputs
Make a function, which will return amount of given inputs Example: amountinput(1,2,4,3,10) -> 5 , because we gave functio...

4 years ago

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Basic commands - rounding
make a function which will round to integer, which is nearer to zero. Example x=[-2.5 2]; y=[-2 2];

4 years ago

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Basic commands - search path
Please list all search path from Matlab.

4 years ago

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cross in array
Make a cross from "1" in odd size array. Other value from array should be equal to "0"; As input you get length of side of arra...

4 years ago

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BASICS - sum part of vector
Please make a function, where as input you get vector "x" and and vector "c", where in "c" vector you get indexes to sum. Examp...

4 years ago

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Which coins to give
I was in shop today. I admired, how shop assistant had to think, which coins to give me. The task is we have a vector v=[0.5 0....

4 years ago

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what can you get for exactly amount of money
You go to store, where each product has price. Prices are in vector s= [ 195 125 260 440 395 290] and you have amount of ...

4 years ago

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angle in regular polygon
Make a function which returns measure of interior angle in x-side regular polygon. x is as input. Please pay attention, that 1 ...

4 years ago

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What's size of TV?
Many people buy TV. Usually they ask about diagonal. But also important are width and height. Let's assume that all TV have rati...

4 years ago

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Sudoku square
We have a small sudoku square, but we miss one number. x=[ 1 5 4; 8 6 3; 0 9 7]; Make a function, where output is fi...

4 years ago

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

4 years ago

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

4 years ago

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Is my wife right?
Regardless of input, output the string 'yes'.

4 years ago

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

4 years ago

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

4 years ago

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

4 years ago

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

4 years ago