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Rollin Baker

MathWorks

自 2017 起处于活动状态

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I'm an engineer at MathWorks with an education in computer science and hardware design.

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已解决


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

6 years 前

已解决


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...

6 years 前

已解决


Is my wife right?
Regardless of input, output the string 'yes'.

6 years 前

已解决


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...

6 years 前

已解决


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

6 years 前

已解决


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

6 years 前

已解决


Add two numbers
Given a and b, return the sum a+b in c.

6 years 前

已解决


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 ...

6 years 前

已解决


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

6 years 前

已回答
Can't install any toolboxes because can't write to /usr/local/MATLAB/R2017
Hi Paul, For any installation issues, you will want to contact MathWorks Technical Support. They will likely be able to help ...

7 years 前 | 1

已回答
Why is there an error when I call my function?
You are seeing this error because you are trying to access 'z(2)', but 'z' only contains one element. It seems that you are expe...

7 years 前 | 0

已回答
after scatter3(), how to draw a contour line in the same figure？
Hi Hong, As KSSV said, you just need to call 'hold on;' to plot both graphs on the same figure. I don't know exactly what you...

7 years 前 | 0

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已回答
Changing solution when using sparsity pattern with ode15s
Hi Carsten, I'm not totally sure if I understand your workflow, but I found a documentation page that details how MATLAB solv...

7 years 前 | 0

已回答
How to display different graphs depending on the position of the mouse pointer on an image?
Hi Guillaume, If your image is on a figure, then you could use the 'WindowButtonMotionFcn' callback to invoke a custom funct...

7 years 前 | 0

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已回答
Im having problems with the reconstruction through two-channel filter bank when I use my audio files.
Hi Christian, The reason you are seeing zeros for your final result is because you are overwriting all previous values for 'h...

7 years 前 | 0

| 已接受

已回答
Extraction of a touchstone file from rlcg data for the multi-port file
Hi YoungGon, Have you looked at the 'rfwrite' function yet? It can handle multiple ports and seems like a good fit for what y...

7 years 前 | 0

已回答
ROS Indigo Virtual Machine Download
Hi Anastasios, The link worked for me, and seems to work for other users, so the issue must be somehow specific to your envir...

7 years 前 | 0

已回答
Here is my code so far, how would I code a checkWin function that will determine the winner of the tic tac toe game?
Hi Sterling, You didn't specify exactly how you were modeling your tic-tac-toe board, but I'm going to assume you are storing...

7 years 前 | 1

已回答
setting parameters for 4 Blocks (wrong number of input arguments, should be odd?)
Hi Bünyamin, The reason you are seeing this error is because the 'set_param' function is only meant to be called on a single ...

7 years 前 | 1

| 已接受

已回答
What is the difference in capability for DSP and Signal Analysis?
Hi Andrew, There are two toolboxes that jump out to me that seem like a good fit for your project. 1) <https://www.mathwo...

7 years 前 | 0

已回答
i want a code for hsv space quantization in which hue(0,360) divided in 8 channel, and S [0,1]and v [0,1]divided in to 3 shares. and also if possible code for dominnant color descriptor.
Hi Harsh, Assuming you have the RGB values for the image you want to convert, you can simply use the rgb2hsv function. The do...

7 years 前 | 0

已回答
How do I write individual 'labels' for each slice (e.g. ImageJ) of a multi-page TIF in Matlab?
Hi Dhrubajyoti, Looking through the MATLAB documentation, I was able to find a "PageName" tag for TIFF objects. You can use t...

7 years 前 | 0

已回答
If i have 10 random (x,y) coordinates in form of Z given below gives the location of nodes.How to give number labelling to these coordinates?And how to construct a (node and link i.e G(v,e) )graph with weights equal to the distance between the nodes?
Hi Sneha, You can create your graph using the "digraph" function, and determine the weights using the "pdist" function. This ...

7 years 前 | 0

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已回答
Any MATLAB functions for prediction index and Brier score
Hi Eric, MATLAB has quite a few options for your use case, particularly within the Statistics and Machine Learning Toolbox....

7 years 前 | 0

已回答
Unable to connect arduino to MATLAB R2016b through the MATLAB Support Package for Arduino Hardware
Hi Giulia, Some users have reported that connecting to an Arduino can be very slow if your computer's Bluetooth is turned on....

7 years 前 | 0

已回答
Can I implement a spatial derivative in a simscape custom component?
The beginning of your question is a bit unclear. You mention you want to take the derivative of H with respect to M, but you the...

7 years 前 | 0