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Amal Raj

MathWorks

Last seen: 3日 前 2022 年からアクティブ

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I am an Associate in EDG at MathWorks. My major responsibilities is to provide the best support I can to customers in domains such as ML, Deep learning, Full stack development etc... at MathWorks. DISCLAIMER: Any advice or opinions here are my own, and in no way reflect that of MathWorks.

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  • 3 Month Streak
  • Knowledgeable Level 2
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How to plot interpolated temperature of a sphere in 2-D?
Hi Charilaos, To plot the temperature as a function of altitude, you can interpolate the temperature values onto the slice of t...

約1年 前 | 0

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ifanbeam on fanbeam data recorded at different fan rotation increments
Hi Kalvik, Yes, it is possible, you will need to use the fan2para function to convert your fanbeam projection data from fanbeam...

約1年 前 | 1

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define objective function based on regression model
In both cases, you are adding a constant term of 0.01804 to the predicted value before squaring it. It is not clear why you are ...

約1年 前 | 0

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'drawfreehand()' not working for lenovo touchscreen in appdesigner
I have reproduced the issue. The touchscreen isn't working when axes/uiaxes are place on a uifigure, which App Designer uses. I ...

約1年 前 | 0

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how to set hyperparameter to vector type in Experiment Manager
In the Experiment Manager in MATLAB, hyperparameters can only be set to scalar values, not vector values. However, you can work ...

約1年 前 | 0

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How do I display a circuit using App designer?
To display a circuit in an App Designer MATLAB GUI, you can use the axes component and plot the circuit using standard MATLAB pl...

約1年 前 | 0

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How to protect a subsystem but still change it programmatically?
If you want to protect a subsystem in Simulink but still be able to update it programmatically, you can use a protected model re...

約1年 前 | 0

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App Designer return from function if ui directory is closed using uiopen
If I understand your question correctly, you want to detect if the directory selected by the user using uiopen has been closed/e...

約1年 前 | 0

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Reason for Simulink.BusElement objects no longer supporting the SampleTime property
The decision to remove Simulink's SampleTime property. BusElement objects were made to make it easier to handle sample times in ...

約1年 前 | 0

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Got a problem in cdtgrid function.
Hi I believe there is a problem with the arguments of 'cdtgrid'. Try replacing it with the code below. tas_regrid = cdtgrid()....

約1年 前 | 0

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Find the curvature of the curve traced out by the function r(t)=〈 t^2, 5t-1, 2t^3 -t 〉 at t=1.
Hi, Here is the corrected code: syms t f = t^2; g = (5*t) - 1; h = 2*t^3 - t; r = [f, g, h]; % r(t) dr = diff(r, t); ...

約1年 前 | 0

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Random forest slow optimization
Hi, s = RandStream('mlfg6331_64'); reset(s); options = statset("UseParallel",true,"UseSubstreams",true,"Streams",s); ...

約1年 前 | 0

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Warnings when Drawing Figures in App Designer
This should override the renderer to painter: app.UIAxes.Renderer = 'painters';

約1年 前 | 0

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Deploy Simulink model to Arduino using App designer
Hi Daniele, Here's a rundown of the steps you can take to build a standalone app that runs Simulink models on external Arduino ...

約1年 前 | 0

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Regression Leaner App , data structure for multiple sensors and input possibility?
Yes, it is possible to account for the slight variations in each sensor and develop a general model that can be adjusted by the ...

約1年 前 | 0

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How can I transfer data from an UItable to de app code? in order to use that data for another calculus
Hi Giulia global tabla tabla = app.UITable.Data; h = cell2mat(tabla(:,1)); tP = cell2mat(tabla(:,2)); tT = cell2mat(tabla(:...

約1年 前 | 0

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How to find the variable that minimize the root mean squared error between a known vetor and the multiplication of this variable and an another known vector?
Hi 奥 刘, You can use linear regression to find a. Please refer this example below: N = 100; % Example value for N x = linspac...

1年以上 前 | 0

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How do I make a simple table in MatLab? Skew function?
table_a = readtable('Data1.xlsx'); % Calculate mean, median, and skew mean_students = mean(table_a.students); median_stud...

1年以上 前 | 0

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timer period resolution issue
Hi Rakesh, You can check out timer. ExecutionMode can be set to 'fixedRate', so that the timer generates events at a fixed rat...

1年以上 前 | 0

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How to convert symbolic output to numeric value in Symbolic Math Toolbox?
Hi, You can use the vpa function to convert the symbolic expression to a numerical value with a specified number of digits. Th...

1年以上 前 | 0

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How to use if/then to create a vector using values from a table.
Hi Macy, Because it avoids the loop, this is an efficient method of obtaining your desired table. table_a = readtable('Data1.x...

1年以上 前 | 1

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Dropdown in AppDesigner Callingback when Selecting the Same Value
Hi Bowei, These may be some workarounds. You might use a list box rather than a drop-down menu. The ClickedFcn callback in a ...

1年以上 前 | 1

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Connection between app designer and simulink
Hi Aidam, You can refer this link, which can help you automatically generate a mlapp for simulink models and modify it for yo...

1年以上 前 | 0

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this is the app designer file im working on the right interface works but the left interface of after importing the image isnt working can anyone plz help me fix it
Hello Jana, a=(app.Image); f1=fspecial('average',[5,5]); % N-D filtering of multidimensional images i2=imfilter(a,...

1年以上 前 | 0