Umar

Last seen: Today | 自 2024 起处于活动状态

Followers: 28 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
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统计学

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已回答
How to change the grid color in function heatmap
Hi @涛, Ran a quick test in MATLAB to settle this one way or the other, since dpb and Lucas already had the right instincts an...

3 hours 前 | 0

已回答
HDL Optimized Cosine/Sine block: unexpected FPGA resource utilization
Hi @Mehdi, Good questions, and no, you haven't found a bug — this is actually expected behavior once you know what's happenin...

1 day 前 | 0

已回答
CheckCollision sometimes misses intersections between the robot arm and the collision cylinders
Hi @Urinder, Your robot already ships with collision meshes built in, so that's not the gap. Looking at your grid math instead:...

2 days 前 | 0

已回答
How do I differentiate between wave patterns in multiple signals?
Hi @Sridutt, Great question! I ran into the same problem and worked out a solution that does exactly what you need — detectin...

10 days 前 | 0

已回答
rotor side and control of DFIG based wind energy conversion system
Hi @Fatima zohra, Thankyou for posting your question on MATLAB Central. I appreciate your interest in improving the control p...

2 months 前 | 0

已回答
comm.SDRuReceiver on X310 throws receiveData:ErrLateCommand
Hi @Hepzibah, Thanks for raising this. I looked into the ErrLateCommand error you are seeing with comm.SDRuReceiver on the X3...

2 months 前 | 0

已回答
Why does fitlm give different results according to if I remove or I don't remove NaNs in the variables arrays?
Hi @Manuela, I wrote a MATLAB script (fitlm_nan_analysis.m) that walks through your exact dataset and explains why you're get...

2 months 前 | 1

| 已接受

已回答
Error converting python DataFrame to Table
Hi @David, Thanks for writing in — you've actually already diagnosed this correctly, so let me just confirm it and get you mo...

3 months 前 | 1

| 已接受

已回答
Integrating MMC in IEEE 9 bus system
Hi @Mojtaba, I had a look at both examples you mentioned and I think I can see exactly where you're getting stuck — so hopefu...

3 months 前 | 0

已回答
Airplance Guidance System in Simulink
Hi @Olga, Thank you for posting your question on MATLAB Central — great to see you working on a flight simulator! I'm happy t...

3 months 前 | 0

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已回答
ParallelAssembly: Define the cell gap in x and y direction differently?
Hi @Fabian, Thanks for your question — I looked into this and wanted to share what I found. Unfortunately, the short answe...

3 months 前 | 0

已回答
Simple battery inverter model in Simscape Electrical
Hi @Mikel, Saw your post and figured I'd put together everything I found so you don't have to chase it down yourself. Firs...

3 months 前 | 0

| 已接受

已解决

Find the stride of the longest skip sequence
We define a _skip sequence_ as a regularly-spaced list of integers such as might be generated by MATLAB's <http://www.mathworks....

3 months 前

已解决

Sum the Infinite Series
Given that 0 < x and x < 2*pi where x is in radians, write a function [c,s] = infinite_series(x); that returns with the...

3 months 前

已解决

Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

3 months 前

已解决

"Look and say" sequence
What's the next number in this sequence? * [0] * [1 0] * [1 1 1 0] * [3 1 1 0] * [1 3 2 1 1 0] This a variant on the w...

3 months 前

已解决

Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Given a number _n_, return the terminal value of the number chain formed by summing the square of the digits. According to the P...

3 months 前

已解决

Integer sequence - 2 : Kolakoski sequence
Get the n-th term of Kolakoski Sequence.

3 months 前

已解决

Golomb's self-describing sequence (based on Euler 341)
The Golomb's self-describing sequence {G(n)} is the only nondecreasing sequence of natural numbers such that n appears exactly G...

3 months 前

已解决

Projector Matrix
Write a function to determine whether or not the matrix is a projector. Projector matrices are defined as P^2 = P.

4 months 前

已解决

Nilpotent matrix
Check if matrix A is <http://mathworks.com/ nilpotent>.

4 months 前

已解决

Orthonormal matrix
You decide whether any given matrix is an orthonormal matrix or not. If each column in a matrix is perpendicular to the other...

4 months 前

已解决

Is this matrix orthogonal?
Given a square matrix, a, determine whether it is orthogonal. INPUT: a, a n x n matrix OUTPUT: true or false

4 months 前

已解决

Determine if input is a valid AHP evaluation matrix
Input is a matrix. Output is a true or false statement (1 or 0). Return true if input is a valid Analytic Hierarchy Process eval...

4 months 前

已解决

Outer product of multiple vectors
In tensor algebra, it is often useful to define a tensor as a product of lower order tensors. Similarly, a multidimensional arra...

4 months 前

已解决

Combined Ages 4 - Non-symmetric with multiples, n ≥ 3
This problem is slightly more difficult than <http://www.mathworks.com/matlabcentral/cody/problems/42383-combined-ages-3-non-sym...

4 months 前

已解决

Combined Ages 3 - Non-symmetric, n ≥ 3
Pursuant to the previous two problems ( <http://www.mathworks.com/matlabcentral/cody/problems/42382-combined-ages-1-symmetric-n-...

4 months 前

已回答
code improvement/optimization
Hi @Cesar, Good progress overall — moving to Radau IIA and SDIRK was the right call. Robertson is a stiff problem and implic...

4 months 前 | 0

已回答
matlab/simulink+tensorflow problem
Hi @Sato, This one's actually more of a MATLAB-Python environment issue than a TensorFlow problem, even though the error make...

4 months 前 | 0

已回答
Can System Composer read parameters directly from JSON or XML?
Hey @Erica, Great question — I've been down this rabbit hole before with System Composer, so hopefully I can save you some time...

4 months 前 | 1

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