Answered

How can I simulate a resource allocation?

According to what you have stated in your exercise description and understood, this code can be written: D = load('detected.mat...

How can I simulate a resource allocation?

According to what you have stated in your exercise description and understood, this code can be written: D = load('detected.mat...

27 dagar ago | 0

Answered

accuracy test higher than training

You can try to employ random selection of the data for training and validation using randperm() or randsample(), for example. A...

accuracy test higher than training

You can try to employ random selection of the data for training and validation using randperm() or randsample(), for example. A...

27 dagar ago | 0

Answered

FOR LOOP ERROR IN MATLAB

[for end] loop is working perfectly ok, but there is an error in your defined function's input arguments. See the corrections: ...

FOR LOOP ERROR IN MATLAB

[for end] loop is working perfectly ok, but there is an error in your defined function's input arguments. See the corrections: ...

27 dagar ago | 0

Answered

Trying to solve equations within ranges

One of the viable solutions is to use symbolic math: syms and solve. clearvars; clc x1=-2; x2=2; y1=-2.1; y2=2.1; x = x1:0.1...

Trying to solve equations within ranges

One of the viable solutions is to use symbolic math: syms and solve. clearvars; clc x1=-2; x2=2; y1=-2.1; y2=2.1; x = x1:0.1...

27 dagar ago | 0

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Answered

adding column ( cell) to matrix

x = (1:5).'; % Vector F1 = categorical({'A'; 'B'; 'C'; 'D'; 'E'}); % Cell Categorical Array F2 = ...

adding column ( cell) to matrix

x = (1:5).'; % Vector F1 = categorical({'A'; 'B'; 'C'; 'D'; 'E'}); % Cell Categorical Array F2 = ...

27 dagar ago | 0

Answered

How do I estimation of the means of a random variable?

% lower and upper bounds of the Uniform random variable X: a= 0; b = 2; % True values of the mean and variance of X: m = (b-...

How do I estimation of the means of a random variable?

% lower and upper bounds of the Uniform random variable X: a= 0; b = 2; % True values of the mean and variance of X: m = (b-...

27 dagar ago | 0

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Answered

How to retrieve the index of positions starting with a specific character in a cell array?

x1 = 5000; x2 = 3000; x3 = 1000; x4 = 800; x5 = 500; array1 = ([x1,x2,x3,x4,x5]).'; array2 = categorical({'A1';'A2';'B1'...

How to retrieve the index of positions starting with a specific character in a cell array?

x1 = 5000; x2 = 3000; x3 = 1000; x4 = 800; x5 = 500; array1 = ([x1,x2,x3,x4,x5]).'; array2 = categorical({'A1';'A2';'B1'...

27 dagar ago | 0

Answered

adding column ( cell) to matrix

WHat you are trying to do is to augment all variables into one array, correct? In this case, table array might be a good one, e....

adding column ( cell) to matrix

WHat you are trying to do is to augment all variables into one array, correct? In this case, table array might be a good one, e....

27 dagar ago | 0

Answered

How do I estimation of the means of a random variable?

In order to generate a normally distributed random numbers, you can employ clc; clearvars; close all Npop = 7.5e2; ...

How do I estimation of the means of a random variable?

In order to generate a normally distributed random numbers, you can employ clc; clearvars; close all Npop = 7.5e2; ...

27 dagar ago | 0

Answered

Solve second order non linear differential equation

You can try a builtin fcn: bvp4c(). Here is a nice documentation on bvp4c() with examples: https://www.mathworks.com/help/matlab...

Solve second order non linear differential equation

You can try a builtin fcn: bvp4c(). Here is a nice documentation on bvp4c() with examples: https://www.mathworks.com/help/matlab...

27 dagar ago | 0

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Answered

How do I put annotation text pointing towards specific coordinate?

Here you can use the values of c to place where you want your annotation to be displayed along with the arrow. E.g.: ... c={A...

How do I put annotation text pointing towards specific coordinate?

Here you can use the values of c to place where you want your annotation to be displayed along with the arrow. E.g.: ... c={A...

27 dagar ago | 0

Answered

adding column ( cell) to matrix

x = 1:25; % Vector F = {x} % Cell Array H = x + F{:}

adding column ( cell) to matrix

x = 1:25; % Vector F = {x} % Cell Array H = x + F{:}

28 dagar ago | 0

Answered

change the origin of a graph

x = 1:13; y = 2*x+3; plot(x, y, 'r*--'), grid on set(gca, 'YDir','reverse'), xlabel('x'), ylabel('y')

change the origin of a graph

x = 1:13; y = 2*x+3; plot(x, y, 'r*--'), grid on set(gca, 'YDir','reverse'), xlabel('x'), ylabel('y')

28 dagar ago | 0

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Answered

How can I create a stacked bar graph with the following chart?

A = {'Fastball_{Ball}'; 'Curveball_{Strike}'; 'Fastball_{Strike}'; 'Curveball_{Ball}'}; A = categorical(A); C = [10;15;20;25]...

How can I create a stacked bar graph with the following chart?

A = {'Fastball_{Ball}'; 'Curveball_{Strike}'; 'Fastball_{Strike}'; 'Curveball_{Ball}'}; A = categorical(A); C = [10;15;20;25]...

28 dagar ago | 0

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Answered

I want to change y interval from 100 to 200 (0, 200, 400...) & mark in x axis (0,1,2,3...) please guide

E=[0:1:10]; E=[1:1:9]; Q=[65 160 300 420 550 678 763 840 882]; plot(E,Q,'-r*') axis([0,10,0,1000]) grid on xticklabels({'0...

I want to change y interval from 100 to 200 (0, 200, 400...) & mark in x axis (0,1,2,3...) please guide

E=[0:1:10]; E=[1:1:9]; Q=[65 160 300 420 550 678 763 840 882]; plot(E,Q,'-r*') axis([0,10,0,1000]) grid on xticklabels({'0...

28 dagar ago | 0

Answered

Symbolic Solver dot indexing error and general understanding

Because your equations don't have solutions, i.e.: ... solve(eqn1(1,1), eqn(1,2)) % Check

Symbolic Solver dot indexing error and general understanding

Because your equations don't have solutions, i.e.: ... solve(eqn1(1,1), eqn(1,2)) % Check

28 dagar ago | 0

Answered

problems with integration tolerances when using ode15s

The answer lies in magnitudes of the calculated (integration) values of the variables that don't allow to have the set tolerance...

problems with integration tolerances when using ode15s

The answer lies in magnitudes of the calculated (integration) values of the variables that don't allow to have the set tolerance...

28 dagar ago | 0

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Answered

I want to change y interval from 100 to 200 (0, 200, 400...) & mark in x axis (0,1,2,3...) please guide

Use xticks(), yticks(), xticklabels(), yticklabels(), e.g.: S =@(t) 10*t.^2+2*t+10; fplot(S, [0, 10], 'r-*'), grid on; xticks(...

I want to change y interval from 100 to 200 (0, 200, 400...) & mark in x axis (0,1,2,3...) please guide

Use xticks(), yticks(), xticklabels(), yticklabels(), e.g.: S =@(t) 10*t.^2+2*t+10; fplot(S, [0, 10], 'r-*'), grid on; xticks(...

28 dagar ago | 0

Answered

How do i normalize a signal so that it's maximum is 1?

t=linspace(0, 2, 1e3); f1 = 5; f2 = 10; S = cos(2*pi*f1*t)+sin(2*pi*f2*t)+rand(size(t))/5; subplot(211) plot(t,S), title('O...

How do i normalize a signal so that it's maximum is 1?

t=linspace(0, 2, 1e3); f1 = 5; f2 = 10; S = cos(2*pi*f1*t)+sin(2*pi*f2*t)+rand(size(t))/5; subplot(211) plot(t,S), title('O...

28 dagar ago | 0

Answered

How to duplicate rows of a matrix if the number of copies for each row are different?

It can be done in a few different ways, e.g.: A = magic(3) b = [2, 4, 5]; AA = [repmat(A(1,:), b(1),1);repmat(A(2,:), b(2),1)...

How to duplicate rows of a matrix if the number of copies for each row are different?

It can be done in a few different ways, e.g.: A = magic(3) b = [2, 4, 5]; AA = [repmat(A(1,:), b(1),1);repmat(A(2,:), b(2),1)...

28 dagar ago | 0

Answered

Equations to Matrix Solve

This exercises can be solved realtively easy using some symbolic toolbox fcns such as coeffs(). See this doc: https://www.mathw...

Equations to Matrix Solve

This exercises can be solved realtively easy using some symbolic toolbox fcns such as coeffs(). See this doc: https://www.mathw...

28 dagar ago | 0

Answered

How to convert this function of one variable into MATLAB code?

You have done a good job, but there are a couple of small (imperative) points to consider - to take out real and imaginary parts...

How to convert this function of one variable into MATLAB code?

You have done a good job, but there are a couple of small (imperative) points to consider - to take out real and imaginary parts...

29 dagar ago | 0

Answered

How to plot transcendental equation?

clc clearvars close all nf= 1.3; ns=1.5; nc=1; rho=1; hf=2; lambda = 100:350; m=1; syms neff phi_c = - atand((nf/nc...

How to plot transcendental equation?

clc clearvars close all nf= 1.3; ns=1.5; nc=1; rho=1; hf=2; lambda = 100:350; m=1; syms neff phi_c = - atand((nf/nc...

ungefär en månad ago | 0

Answered

How to update during ODE45

This can be computed with a [for .. end] loop, e.g.: clc; clearvars w = ...; Trq = 10*w; % E.g. w_0 = -1.5; % E.g. J = 1...

How to update during ODE45

This can be computed with a [for .. end] loop, e.g.: clc; clearvars w = ...; Trq = 10*w; % E.g. w_0 = -1.5; % E.g. J = 1...

ungefär en månad ago | 0

Answered

How to solve a differential equation system with time and space derivates? Where to write (i, j) (i-1, j) (i, j-1)?

First, that would be nice for simulation speed to suppress to display the results. To do that you'd need to put semicolon at the...

How to solve a differential equation system with time and space derivates? Where to write (i, j) (i-1, j) (i, j-1)?

First, that would be nice for simulation speed to suppress to display the results. To do that you'd need to put semicolon at the...

ungefär en månad ago | 1

Answered

feature selection for regression

Test and study these posts and codes posted on MATHWORKS: https://www.mathworks.com/discovery/feature-selection.html?s_tid=answ...

feature selection for regression

Test and study these posts and codes posted on MATHWORKS: https://www.mathworks.com/discovery/feature-selection.html?s_tid=answ...

ungefär en månad ago | 0

| accepted

Answered

modifying the legend for multiple plots

You should introduce a new cell variable with legend names as you specified, e.g.: TimeInterval = [{'0:00am- 3:00am'}, {'3:00am...

modifying the legend for multiple plots

You should introduce a new cell variable with legend names as you specified, e.g.: TimeInterval = [{'0:00am- 3:00am'}, {'3:00am...

ungefär en månad ago | 0

| accepted

Answered

I have 5 nonlinear algebraic equations with many terms, fsolve command is ineffective in solving these nonlinear equations.

It is worth to employ here optim options of fsolve(), e.g.: optimoptions() with fmincon, lsqnonlin, fminunc. See the help doc: ...

I have 5 nonlinear algebraic equations with many terms, fsolve command is ineffective in solving these nonlinear equations.

It is worth to employ here optim options of fsolve(), e.g.: optimoptions() with fmincon, lsqnonlin, fminunc. See the help doc: ...

ungefär en månad ago | 0

Answered

How to speed up processing and reduce memory with nested for loops

For most of calcs in your code can be done directly without [for .. end] loops, e.g.: A= 0:Ind_FilterConstraint; B=A; C=B; %...

How to speed up processing and reduce memory with nested for loops

For most of calcs in your code can be done directly without [for .. end] loops, e.g.: A= 0:Ind_FilterConstraint; B=A; C=B; %...

ungefär en månad ago | 0

Answered

Printing a variable in a fprintf

This can be done in a relatively simple way. VTL="5kV"; fprintf('Initial Value is: %s circuit values\n', VTL) ... % Your cal...

Printing a variable in a fprintf

This can be done in a relatively simple way. VTL="5kV"; fprintf('Initial Value is: %s circuit values\n', VTL) ... % Your cal...

ungefär en månad ago | 0