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
How do I use MATLAB's actxserver function to pass an array to LABVIEW
@新云 , Your empty outputs are happening because of a fundamental mismatch in how MATLAB and LabVIEW handle arrays through the ...

15 hours ago | 0

Solved

Permute diagonal and antidiagonal
Permute diagonal and antidiagonal For example [1 2 3;4 5 6;7 8 9] -> [3 2 1;4 5 6;9 8 7] WITHOUT diag function (and variable n...

21 hours ago

Solved

Rotate input square matrix 90 degrees CCW without rot90
Rotate input matrix (which will be square) 90 degrees counter-clockwise without using rot90,flipud,fliplr, or flipdim (or eval)....

21 hours ago

Solved

Removing rows from a matrix is easy - but what about inserting rows?
Assume A is a 5-by-5 matrix. A([2,4],:) = [] is a quick way to remove rows 2 and 4. Can you find a quick way to insert rows into...

21 hours ago

Solved

Operate on matrices of unequal, yet similar, size
You may want to add a vector to a matrix, implying that the vector is added to each column of the matrix. Or multiply a 3x4x5 ma...

22 hours ago

Solved

Matrix with different incremental runs
Given a vector of positive integers a = [ 3 2 4 ]; create the matrix where the *i* th column contains the vector *1:a(i)...

1 day ago

Solved

Some Assembly Required
The input to this function is a matrix of real numbers. Your job is to assemble the rows of the matrix into one large row that ...

1 day ago

Answered
Incorrect addition of noise in the example: ('lte/NPDSCHBlockErrorRateExample')
Hi @Karine, You've raised a really interesting point here, and I think your observation about the missing sqrt(12/128) factor...

1 day ago | 0

Answered
Showing the value on the x-axis as a legend the moment the curve deviates from the x-axis
@Erkan, I have gone through your comments and understood what you're trying to accomplish! Based on your figure, you want to mar...

4 days ago | 0

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Answered
Friends, how to distribute the torque of four motors on VCU, is there any learning material for this?
@饕餮王, MathWorks has some good stuff for this. If you're working with 4 motors on a VCU, the main tool you want is the Virtual Ve...

7 days ago | 0

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Solved

Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...

7 days ago

Solved

Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

7 days ago

Solved

N-Dimensional Array Slice
Given an N-dimensional array, _A_, an index, _I_, and a dimension, _d_, return the _I_ th elements of _A_ in the _d_ dimension. ...

7 days ago

Solved

MatCAT - Reconstruct X from Its X-rays
Consider a matrix x x = [ 1 2 0 0 5 0 3 0 8 ] If we sum x along the rows we get row_sums = [3 5 11] ...

8 days ago

Solved

matrix zigzag
Unfold a 2-D matrix to a 1-D array in zig-zag order, e.g., for matrix [ 1 2 3 ; 4 5 6 ; 7 8 9 ] the resulting 1-...

8 days ago

Solved

Matrix of Multiplication Facts
This is James's daughter again, sneaking into his Cody account. Thanks to your help in my math class last year, I did great! But...

8 days ago

Solved

Find the next Fibonacci number
In the sequence of Fibonacci numbers, every number is the sum of the two preceding ones: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55...

8 days ago

Solved

Integer Sequence - II : New Fibonacci
Crack the following Integer Sequence. (Hints : It has been obtained from original Fibonacci Sequence and all the terms are also ...

8 days ago

Answered
How to add custom location of Frame in a General Flexible Plate (or any flexible body)?
Hi @Soumya Kanti, You can absolutely add custom frames at specific locations on the General Flexible Plate without using Rig...

9 days ago | 0

Answered
How to add an image on top of geobasemap?
@Sim, I see what happened - in your case you do have the Mapping Toolbox (your geobasemap is working), but the original code syn...

9 days ago | 0

Answered
Run a simulink model on a texas instruments TMS320F28379D with c2000
@Anaïs, after thoroughly researching the MathWorks C2000 documentation including "Detect and Fix Task Overruns on Texas In...

9 days ago | 0

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 ...

13 days ago | 0

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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...

14 days ago | 0

Solved

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

14 days 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...

14 days 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...

14 days 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...

14 days 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 ...

14 days 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...

14 days ago | 1

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...

15 days ago | 0

| accepted