# Samuel Katongole

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Question

plotting two lines intersecting at a certain point

Hello friends, I have got some data and i want to draw two lines of best fit, one from the left and the other from the right tha...

ungefär 2 månader ago | 2 answers | 0

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answersQuestion

Categorical Data preprocessing for Data mining

Hello friends I have been working on the Tanzania wells state ,with Taarifa data obtained from DrivenData, problem for my ML pr...

2 månader ago | 0 answers | 0

### 0

answersQuestion

How to tell/check existing categories in tall tables

I have a table of over 50,000 rows containing various categories for each row. Is there a way i can check the specific existing ...

4 månader ago | 1 answer | 0

### 1

answeri want more numbers details on y axis

I suppose the follwoing should help. However, it does not display upto 4; but shows what you want set(gca,'yticklabel',[0:0.2:4...

5 månader ago | 0

Add headers to matrix using table

In studying this problem, I have tried and gone through the code; and also tried out the suggested tDP=array2table(datapool,'V...

5 månader ago | 0

Why can I not import an excel file into MATLAB without error?

Try testing your files with the following trial codes: fid=fopen('oil_prices_testdata.csv') fid=fopen('oil_prices_testdata.xls...

5 månader ago | 0

Question

How to test model developed using the Regression Learner App

I am working on some oil data trying to build a model for future predictions. My challenge has come with the testing of the chos...

5 månader ago | 0 answers | 0

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answersi want more numbers details on y axis

Please try changing the values on the y-axis: add this code to your code %get insight on the maximum and minimum values of your...

6 månader ago | 0

Solved

Sum all integers from 1 to 2^n

Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

10 månader ago

Solved

Magic is simple (for beginners)

Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

10 månader ago

Solved

Make a random, non-repeating vector.

This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

10 månader ago

Solved

Roll the Dice!

*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

10 månader ago

Solved

Number of 1s in a binary string

Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

12 månader ago

Solved

Return the first and last character of a string

Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

12 månader ago

Solved

Generate a vector like 1,2,2,3,3,3,4,4,4,4

Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

12 månader ago

Solved

Create times-tables

At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

12 månader ago

Solved

Getting the indices from a vector

This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

12 månader ago

Solved

Determine whether a vector is monotonically increasing

Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

12 månader ago

Solved

Check if number exists in vector

Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

12 månader ago

Solved

Swap the first and last columns

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

12 månader ago

Solved

Swap the input arguments

Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

12 månader ago

Solved

Column Removal

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

12 månader ago

Solved

Reverse the vector

Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

12 månader ago

Solved

Finding Perfect Squares

Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

12 månader ago

Solved

Length of the hypotenuse

Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

12 månader ago

Solved

Triangle Numbers

Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

12 månader ago

Solved

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...

12 månader ago

Solved

Maximum value in a matrix

Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

ungefär ett år ago

Solved

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 ...

ungefär ett år ago