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Bastian Arturo Romero Mardones


Last seen: 1 day ago Active since 2020

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Answered
How to ask use to enter values
An example of input. prompt = "Value "; H2 = input(prompt); CH4 = input(prompt); xTable = table(H2,CH4) xTable = ...

12 months ago | 0

Answered
A problem containing Interpolation
You must change: x=linspace(1,15,6); %%This line 6 equally spaced data points y=2*x-3*randn(1,length(x)); %%This line x2=lin...

12 months ago | 0

Answered
How do we take the inverse fourier transformof this image
Your image: img = imread('imagen','jpg'); h = ifft2(img); %inverse fourier transform imagesc(abs(h(:,:,1))); inverse fouri...

12 months ago | 0

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Answered
how to write special matrices
I think it is not very efficient, but works a = dec2bin(0:15); i = 1; while i<17 c = randi([0 1],1,4); if(a(i...

12 months ago | 0

Answered
Plot transfer function with exponential function
You need add inputdelay sets=tf(4,[1 4 4],'inputdelay',1) sets = 4 exp(-1*s) * ------------- ...

12 months ago | 1

Answered
Matrix dimensions must agree.
The arrays dimensions are differents Dn/W.*log(1+((Pr.*h)/sigma2)+(Texe)) %Is a 10x10 complex matrix If you use Tup(k) %You a...

12 months ago | 0

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Answered
2d matrix column plot
You can make a plot with comand plot(): x(:,1) = 0:pi/100:2*pi; x(:,2) = sin(x); plot(x(:,1),x(:,2)) more info: https://es...

12 months ago | 0

Answered
Change name of subplot into 2 for
You can try change: Muscle_Task=strcat('Muscle',num2str(mrkr),'Task',num2str(muscle),'.bmp'); to: Muscle_Task=['Muscle' num2s...

12 months ago | 0

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Answered
Need help with a riemann sum
Cambié un poco el código, pero casi nada. clearvars; a = 0; b = 2; n_rec = 100; delta_x = (b-a)/n_rec; x = 0:delta_x:2; %...

12 months ago | 0

Answered
Improfile changing colour of plot
You can try: %Example Mathwork I = imread('liftingbody.png'); x = [19 427 416 77]; y = [96 462 37 33]; [a,b,c] = improfile(...

12 months ago | 0

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Answered
I'm trying to take the integral with two variables being arrays and this error keeps popping up. I'm not sure if there is another way, or if im missing something. this is what i have put in the code.
I think the upper limit of integral cannot be a matrix. if you change Iy = int(dA*x^2,x,0,b) %b is array the code works sym...

12 months ago | 0

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Answered
Random selection from a pool of questions
I changed 2 lines and it works QandA={'what is 6x8? ', '48'; 'what is 12x12? ', '144'; 'what is 60/12? ', '5'; ...

12 months ago | 1

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Answered
y=a*b^x
For example if your y = a*cos(x), you can use plot like this: x = 0:1e-2:20; %x values a = 2; %can be anything constant number...

12 months ago | 0

Answered
Why is my functions not plotting a line?
you need add one point Wab=9.42; d=0.12; s=0.1; % 0.3, 0.6 & 0.9 theta=0:0.1:6.28 Wcd=(s.*Wab.*(s+sin(theta)))./(1+s.^2+2...

12 months ago | 2

Answered
How can I stop my program and ask for the wish operation?
You can use a if umi = '1 = A*B 2 = A/B '; opc = input(umi); %input (multiply or divide?) disp(' ') dis...

12 months ago | 0

Answered
how can I plot multiple y values for single x value?
you can try creating a vector of ones and multiplying this by your x values, for example: y = rand(1,15); xvalue = 3; x = xva...

12 months ago | 0

Answered
Matlab program to plot y(t) graph
If you function is y(t), and you iterate this function in the time, your can plot it: time = 0:0.01:1; y = sin(time) %Your y(t...

1 year ago | 0

Answered
High Frequency Square Wave
You can try with square() --> More Info For example: time = linspace(0,1,1000); frecuency = 5; %or other frecuency x = squar...

1 year ago | 0

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Answered
Storing data in matlab matrix using loop
You can try use cell() i=1; for k1=2:1:20 for k2=2:1:20 for k3 = 2:1:20 M = [k1,k2,k3]; if...

1 year ago | 0

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Answered
Solve equation in interval
You can try: syms x f = x^2*exp(-x) fder = diff(f,x,1) vpasolve(fder,[-1 1]) %change solve

1 year ago | 0

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Answered
Calculation of two less than equal
For the left side it is: n = sqrt(C-1); The other side it is the same.

1 year ago | 0

Answered
Problem in using symsum
syms x k x(1)=-2; x(2)=-1; x(3)=0; x(4)=1; x(5)=2; f(1)=-2; f(2)=-1; f(3)=0; f(4)=1; f(5)=2; for i=0:4 a{i+1}=...

1 year ago | 0

Answered
Plot please help / plot the domain of transfer function
You can try with tf(): more info: https://es.mathworks.com/help/control/ref/tf.html fun = tf([5 30 55 30],[1 9 33 65]); % B(s...

1 year ago | 0

Answered
How can I write the matlab
I made a function that maybe help you: Link: https://es.mathworks.com/matlabcentral/fileexchange/82783-waveform-fourier-series-...

1 year ago | 0

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Answered
Piecewise function plot help
The length must be the same x1 = [0:0.1:1]; f1 = zeros(1,numel(x1)); %f1 with the same length as x1 x2 = [1:0.1:3]; f2 = [1/...

1 year ago | 0

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Answered
How to create a periodic function?
You can use this function: https://es.mathworks.com/matlabcentral/fileexchange/83058-continuous-piecewise-function-linear-funcio...

1 year ago | 0

Answered
Error Message: valid interpreter syntax
add in xlabel() xlabel(filename,'Interpreter','none')

1 year ago | 0

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Answered
Show filtered column of a cell array based on filtered cell header
Hi :D data= {'A' ,'B' ,'C';'1', '2', '3';'1' ,'2', '3';'1', '2', '3'}; fprintf("input with a space \n") %Example: a b or a c...

1 year ago | 0

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Answered
solving for an unknown variable when given the rest
syms V y = 0.05; k = 0.0806; v = 90; N = 4; h = solve(y == 1/((1+k*(V/v))^N),V) %multiplication sign missing you only shou...

1 year ago | 1

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Answered
How to use loop to reduce the code?
you can try with cell clc clear syms t sigma r = -4; w = 2; a = 1; b = 1; W = 1; x_2 = 1 A_sin = 1; A_sigma = [0,1;-w...

1 year ago | 0

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