Community Profile # Hidd_1

Last seen: 5 days 前 自 2020 起处于活动状态

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Non Linear Regression for a surface
I have the following matrices, and their dimensions: X (1*249 double) Y (1*20 double) Z (20*249 double) I know that the rela...

3 months 前 | 1 个回答 | 0

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Select a columns of a Matrix using Selector in Simulink
I am having the following simulink model, which contain a Matrix A [3×6] of doubles, and I would like have a selector that selec...

3 months 前 | 1 个回答 | 0

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Implement the Software Architecture in MATLAB\SIMLUNK and convert it to C
Hey! I would like to ask, how do you guys implement the software Architecture in MATLAB\SIMULINK, and how to translate it to a ...

4 months 前 | 1 个回答 | 0

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reference a Mathworks Algorithm found in the forum
I found an interesting algorithm in the forum, and I would like to build on it my own algorithm, and I am wondering how to cite ...

4 months 前 | 1 个回答 | 0

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Fit nonlinear regression model
I am trying the fit the eclosed data, for the X-Axis: x = 0:1:248; I enclosed the data for the Y-axis. (Each row is a curve, ...

4 months 前 | 1 个回答 | 0

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Optimization to fit a curve to data (problem with the InitialPopulationMatrix)
I am triying to fit the eclosed data using optimoptions, and for that I used the gradient descent. This is the objective functi...

4 months 前 | 1 个回答 | 0

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Relation or Pattern between curves
I am having the following curves, and I am trying to find a relation between them, or a statistical factor to use it so i can pr...

4 months 前 | 2 个回答 | 0

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Bode diagram : Warning: Error occurred while evaluating listener callback.
I wrote the following code, I am gettign this error: Warning: Error occurred while evaluating listener callback. Here is the c...

5 months 前 | 1 个回答 | 0

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Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.&#8519;^(-&lambda;t)*cos(2πft)| where |A|, |&lambda;|, and |f| ...

11 months 前

Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

1 year 前

Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

1 year 前

Passing Data between two Apps
I have created two apps (App1, and statitics), and I would like to pass the following data from the first one into the second on...

1 year 前 | 1 个回答 | 0

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Incorrect number of input arguments
I wrote the following code, and I got a message error regarding the input arguments: lgd_1 = legend(app.UIAxes,'dTdhw(°C)','VDH...

1 year 前 | 2 个回答 | 0

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Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

1 year 前

Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

1 year 前

Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

1 year 前

Solve a System of Linear Equations
Example: If a system of linear equations in x₁ and x₂ is: 2x₁ + x₂ = 2 x₁ - 4 x₂ = 3 Then the coefficient matrix (A) is: 2 ...

1 year 前

Laws of motion 4
Given the initial velocity 'u', final velocity 'v' and acceleration 'a', find the distance travelled.

1 year 前

Laws of motion 6

1 year 前

Potential energy calculation

1 year 前

Kinetic energy calculation

1 year 前

Total energy

1 year 前

Laws of motion 5

1 year 前

Laws of motion 3

1 year 前

Laws of motion 2

1 year 前

Laws of motion 1

1 year 前

Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

1 year 前

Open file selection dialog, and get an error message when no file is selected
Hey Everybody! I wrote the following code, for a GUI app: [file,filepath,filter] = uigetfile({'*.xlsx'},'Select the Excel file...

1 year 前 | 1 个回答 | 0

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Statistical calculation from the plot function
I created a plot function in an App: like this plot(app.UIAxes,app.Time,app.Tempreture_In,app.Time,app.Tempreture_out) I wou...

1 year 前 | 1 个回答 | 0

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Drop Down Button (App Designer) return index of repeated elements
I would like to select an option on the drop down button, the problem is that the options are reapeated! Thus I would like that...

1 year 前 | 1 个回答 | 0