Karl Ezra Pilario

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University of the Philippines - Diliman

2,090 total contributions since 2017

Assistant Professor, University of the Philippines - Diliman, Department of Chemical Engineering. Research Interests: process data analytics, process systems engineering, machine learning.

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Procrustean bed
Given a vector x and an integer n, convert x to a vector of length n by (1) chopping off the end if it is too long, or (2) addin...

1 month ago

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Try and Catch Simple Example
Try and Catch Simple Example <http://in.mathworks.com/help/matlab/ref/try.html Example> Vector x=[1 4 6 8 10]; Create...

1 month ago

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Repetition of matrices
*A is a bold matrix: [1 2 3; 4 5 6;7 8 9]* Given an integer 'n' , a matrix B exists such that has n copies of A in the row an...

1 month ago

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Find NaNs in the matrix
Return 1s wherever there is a NaN in the input matrix

1 month ago

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Let's make puddings !
We will make puddings with eggs, milk and sugar. To make one pudding, we need one egg, 140(cc) of milk, 15 (g) of sugar. Now W...

1 month ago

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Please check if calorie intake is less than 300 kcal.
I like eating some puddings and some chocolate cookies around 3 o'clock. However, I care about calorie intake. Please check whe...

1 month ago

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'Determine if array of numbers is odd'
Return true if the input single number is odd. If the input is a vector, it will return a vector or array of logical values indi...

1 month ago

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Refresh your system of equations
Given square matrix, and solution vector, find the values of the variables Example: xyz = [1 -1 2; 0 2 5; 4 0 -3]; //x-y+2...

1 month ago

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Roots of a quadratic equation.
Calculate the roots of a quadratic equation, given coefficients a, b, and c, for the equation a*x^2 + b*x + c = 0.

1 month ago

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Select every other element of a matrix
Write a function called outMat = odd_idx( myMat ) that takes a matrix, myMat, as input argument and returns a matrix th...

1 month ago

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Odd row
Create a row 'y' with odd numbers where the potential maximum number is given by 'x' and the space between them by 'm'. The firs...

1 month ago

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Reverse the Matrix
Given a Matrix A, reverse it. Such that, last element of A becomes 1st and vice versa. for example: Input = [1 2 3;4 5 ...

1 month ago

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Determinants
Given a square matrix(A), find the determinant(d). For example: A = [1,3;4,5] d = 1*5-4*3 = -7

1 month ago

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Splitting Triangle - Problem the second

1 month ago

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Splitting Triangle - Problem the first

1 month ago

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Splitting Square - Problem the third

1 month ago

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Splitting Square - Problem the second

1 month ago

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Splitting Square - Problem the first

1 month ago

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Find same numbers touching each other...
So the goal here is to find any number that is equal to its immediate neighbors and mark it true. Here is some examples: x...

1 month ago

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Get the array of sum for three consecutive numbers in an array
Get the array of sum, for three consecutive numbers in an array. if Input 'x' does not have at-least 3 elements then 'y' shou...

1 month ago

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Size of this cup?
The given vector has diameter of the cup in mm sampled at micrometer increments in depth from top to bottom, need output in cc a...

1 month ago

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persistant sum
There will be 9 tests for this problem. In each test you will be provided with 2 integers n=[n1,n2], where n2 is equal to t...

1 month ago

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Find offset of an element of a multi dimensional matrix
For a given multi dimensional matrix and given element, find its offset from the 1st element. Return 0, if element is not fo...

1 month ago

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Find offset of given matrix element from first matrix element
Given matrix m and an element of that matrix, return the offset from its first element. e.g. m=[11 2 34; 40 51 6; 87 8 109] el...

1 month ago

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Basic Quadratic Equation
Create the equation: y=(3x)^2+(5x)+35 and compute y for various values of x

2 months ago

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Replicate and Tile an Array
Replicate and tile an array. Example A = [1 2 3; 4 5 6; 7 8 9] B = Epli_and_Tile(A,1,2) B = [ 1 2 3 1...

2 months ago

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Where is the number that you want to find?
For a given matrix A, find where the input number x appears. Do this task by returning the vector which contains the row and th...

2 months ago

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Circumscribed Pentagon?
Building off of <https://www.mathworks.com/matlabcentral/cody/problems/44368 Problem 44368>, your function will be provided with...

2 months ago

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solve for y that is half as much as three less than one tenth of x
function y = half(x) y = (x * .1); end

2 months ago

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mathematics , probability problem
How many different result can we have, rolling k dice?

2 months ago