Umar

Last seen: Today | Active since 2024

Followers: 25 Following: 4

Community volunteer, like to help people by making difference in their lives

Programming Languages:
Python, C++, C, Java, C#, Javascript, R, MATLAB, SQL, HTML, CSS, Arduino, Shell, Assembly, VHDL, Visual Basic
Spoken Languages:
English
Pronouns:
He/him

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Answered
Steering System Rack and Pinion
Hi @Tran, I do appreciate your patience. After coming back from work and thoroughly examining your parameter file, analyzing ...

6 hours ago | 0

| accepted

Answered
the dimension of matrix when using 'sparse' to generate sparse matrix
Hi @Li, After going through recent comments, I wanted to provide a clear explanation of the situation regarding 3D sparse mat...

1 day ago | 0

Solved

Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

1 day ago

Solved

Find the definite integral of various linear functions
A definite integral had a minimum and maximum limit. When you solve this type of problem you must use both quad and the trapz fu...

1 day ago

Solved

How many days does the cat take to climb out of the hole?
A cat accidentally falls down a hole with sloping but rough sides. It can climb out of the hole of height h metres, but for ever...

1 day ago

Solved

Simple Interest : Calculate Future Value
Theorem : Simple Interest where; F : Future Value P : Present Value r : Annual simple interest rate (decimal) t : Time in...

1 day ago

Solved

An asteroid and a spacecraft
&#128640 Imagine a non-relativistic simple situation. Assume positions p0, p1, p2, and p3 are three dimensional Cartesian ...

1 day ago

Answered
the dimension of matrix when using 'sparse' to generate sparse matrix
Hi @li, I saw your question about MATLAB removing 3D sparse matrix support, and I wanted to help clarify what's happening. Bo...

2 days ago | 0

Answered
Copy Legend from UIAxes to another UIAxes
Hi @Jason, I've looked into the legend and color issues you're having when copying plots from UIAxes3 to a new figure, and he...

3 days ago | 0

Answered
Sharpening a 2D histogram and finding peaks
Hi @Jim McIntyre, I've been looking at your sharpening problem and I think I have something that addresses what you're asking...

4 days ago | 0

| accepted

Answered
How do I apply the same operation on vectors of different length but of similar name?
Hi @Henning, I wanted to address your question about calculating means for your 50 column vectors and clear up some confusion...

5 days ago | 1

| accepted

Solved

Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

6 days ago

Solved

Find the palindrome
Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';

6 days ago

Solved

Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

6 days ago

Solved

Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

6 days ago

Solved

Altitude of locations on the earth
Find the altitude of a location on the earth, given latitude and longitude coordinates, above mean sea level. Input__________...

6 days ago

Solved

Derivative of polynomial
Compute the derivative of a given polynomial. The input is an <http://www.mathworks.com/help/matlab/math/representing-polynomial...

6 days ago

Solved

Determine if a Given Number is a Triangle Number
*Description:* Determine if the elements of an input array are triangle numbers and return the result as an array with the sa...

6 days ago

Solved

Distance walked 3D
suppose you go from x-y-z coordinates [3,4,2] to [0,0,2] to [0,1,2] to [1,1,2], to [1,1,20] then you walked 25 units of distance...

6 days ago

Answered
confidence interval from lsqnonlin function while retaining constraints
@ke an, I saw your question and thought I'd chime in. @Torsten and @Star Strider are absolutely right that the standard Jacobia...

7 days ago | 0

| accepted

Solved

Clueless - Lord Ned in the Game Room with the Technical Computing Language
[Warning: this is a nontrivial programming problem] Worried about the decline in reasoning skills in the clueless populace of...

7 days ago

Solved

03 - Matrix Variables 1
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3a.png>> A 9x9 matrix full of 2's (Hint: use *ones* o...

8 days ago

Solved

03 - Matrix Variables 3
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3c.png>> A 10x10 matrix where the numbers from 1 to 100 ...

8 days ago

Solved

Compare two input matrices
Check which input matrix has more elements. Return "1" if matrix A has more elements than matrix B. Otherwise return "0". Exa...

8 days ago

Solved

Beginner's Problem - Squaring
Try out this test problem first. Given the variable x as your input, square it by two and put the result in y. Examples: ...

8 days ago

Solved

Sum of the Matrix Elements
Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...

8 days ago

Solved

Volume of a box
Given a box with a length a, width b, and height c. Solve the volume of the box.

8 days ago

Solved

Deleting an element in a matrix
For vector Grades=[98 56 78 34 100 88 87], delete the number 78 to get the following matrix Grades=[98 56 34 100 88 87] **re...

8 days ago

Solved

Weighted average
Given two lists of numbers, determine the weighted average as follows Example [1 2 3] and [10 15 20] should result in 33.3...

8 days ago

Solved

Count decimal digits of a number
* Given an integer number you have to return the number of its digits. * For example 248 has 3 digits and 1589 has 4 digits ...

8 days ago