How do extract rows containting certain strings from a table to make a new table?
Suppose you had a table called myTable with a column (variable name) named quality with certain words such as 'NaN' 'CORRECT' et...

8日 前 | 0

Chessboard , Euclidean and City Block distance simplest codes(functions) for all order of matrix that i can understand as i am student and at start of this language.
Please give it a try, just get started see what problems you have and where you are stuck, and then ask about these issues. Jus...

8日 前 | 0

Identify 'Presses' From Continuous Data
Let's say you call your continuous data from one channel x (you can generalize this later to a matrix over the 10 channels). Le...

8日 前 | 0

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Soliving system of ODEs written as function in simulink
You should be able to define your dynamic model (system of ode's) using a Simulink S-function block. Please see https://www.mat...

8日 前 | 1

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Trouble Solving For A Variable In A Loop

8日 前 | 0

All possible combination of variables in equation to give best result.
Assuming A and B are both column vectors You can create a table with all possible sums using total = A + B' You can then find ...

8日 前 | 0

Compute auto-covariance matrix from noise
You can generate the 5 signals in just one call to randn, for example x = randn(10000,5); Which will make a matrix with 10000 ...

8日 前 | 0

Dice rolling & loops
You can generate a vector with 10 dice rolls using rolls = randi(6,1,10) You can determine how many of the 10 rolls are eithe...

4ヶ月 前 | 0

Integration via trapezoidal rule in various sections of the same array
Assuming you can find the indices of your ranges by some means, e.g. findpeaks, then make an array of the ranges, for example r...

4ヶ月 前 | 2

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How to compute the partial derivative
As @Kalyan suggested you could use the symbolic toolbox if you have it. Otherwise you could just go to the definition of a parti...

4ヶ月 前 | 0

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Birthday problem with 3+ people?
Here are some ideas that you might use To generate random birthdays for groups of 50 people - look at randi, ignoring leap year...

4ヶ月 前 | 2

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Fix one curve, while change another
Here is one approach. You can modify the YData property of the second curve. Here is a little example x = 1:10 y1 = x; y2 = x...

4ヶ月 前 | 1

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Accessing timetable data using user defined column
You can do something like this v = T.value(T.time_lin==0.4)

4ヶ月 前 | 0

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Solving first order differential equation
Your verbal problem description in which you call L and ouput, but in fact you know what it is, somewhat confuses me, but in any...

4ヶ月 前 | 0

Battery model - using vector concatenate to collate individual cell outputs
I have never experienced any issues with combining individual signals with a mux. The individual signals retain their original v...

4ヶ月 前 | 0

I can't find solution of sinusoidal function's by numerical methods
I assume that you are trying to approximate the integral of f(x) between x = a and x = b. You are initializing x incorrectly. Y...

4ヶ月 前 | 1

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How to replace complex numbers in a column vector with 0.000+0.000i ?
Suppose you have a complex vector (the result of your fft) lets call it x. If you want to replace some elements of it with zero ...

4ヶ月 前 | 1

how can i answer how to plot signal, and its frequency and phase. Then add a noise signal and plot the same parameters?
Here are some ideas to get you started If you just want to visualize V1 as a function of time you can assign a vector of values...

4ヶ月 前 | 0

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Plot over time milliseconds
I'm not quite clear on what you are trying to accomplish but it looks like some how you want to see the plot continue to evolve ...

4ヶ月 前 | 1

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How to save MPC (model predictive controller) to be used later on? The error message is attached.
A way around this problem is to: 1) Design your controller 2) Export your controller to the workspace 3) Save your controlle...

4ヶ月 前 | 0

How to save the previous figure generated by function'step(H,x)'
You need to create a new figure just before calling step clear all vars clc fs = (5/2)*1e6; % Symbol rate (Hz) fc=...

4ヶ月 前 | 0

Problem with writing this function
You may have some other issues also, but assuming that you have defined x as a column or row vector and you are expecting to cal...

4ヶ月 前 | 1

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Find a column number referring to an array
You could use idx = find(V==point(1)) or you could check the column the second element of point matched the second row of A us...

4ヶ月 前 | 0

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I think your problem may just be that you need to put single quotes around the g in the function call so use [varAlongDiag, var...

4ヶ月 前 | 0

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Storing data in Table inside for loop
Looking quickly at your loop structure, it seems that if you want a row for every iteration you must count how many times you ha...

4ヶ月 前 | 0

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Extracting user defined data
If you type doc readmatrix on the command line you will get all the documentation, including examples for using this function. Y...

4ヶ月 前 | 0

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Any method to soften harsh edges of a plot?
If you have reason to believe that the data does not really pass through those points (that they are just noise) then MATLAB off...

4ヶ月 前 | 0

Extracting user defined data
You can use readmatrix to get the data out of the spreadsheet. You can use interp2 to do the interpolation.

4ヶ月 前 | 0

Unusual arrangement of plot
I assume when you say "Red line is plotted by matlab but it is unusal and expected to be blue line" you mean that you expect t...

4ヶ月 前 | 0

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Transformation of the Matrix in a Loop
Sorry, I inadvertently deleted my earlier response. So I'm assuming you want an array with y1 x1 z11 y2 x2 z21 y3 x3 z31 . ...

4ヶ月 前 | 1