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# Bastian Arturo Romero Mardones

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75 total contributions since 2020

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How to eliminate standalone 1 or 0 in binary matrix
You only need a loop and correct conditional statement, the conditional can be: if(A(n) ~= A(n+1) && A(n) ~= A(n-1) && A(n) == ...

1 day ago | 0

How to create hatched fill pattern histograms?
hello. You can try with the function in this url: https://es.mathworks.com/matlabcentral/fileexchange/1736-hatched-fill-patter...

2 days ago | 0

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numerator , denominator, Transfer function,Equation
You just need to enlarge the block

2 days ago | 0

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Calling a user-created function in a different script
You can call a function in your folder for example if your function is: function x = mulx2(y) x = 2*y; end from the main fi...

2 days ago | 1

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why is my vector bigger than how I created
Because the values are saved from space 11 onwards. You must change n+1 in sumvec() n+1 = 11 -- n-9 = 1 sum = 0 sumvec = [] ...

3 days ago | 0

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Creating a Matrix of random numbers
A long way bits= randi([-1 1],20,20); [r,c,~] = size(bits); count = 1; while count < (r*c)+1 bits = reshape(bits...

3 days ago | 0

Why am I not able to plot the error vs iterations?
You can store the data of (Z-z) in a vector: for ... zz(i) = (Z-z) if abs(zz)<10^(-6) break end end... ...

3 days ago | 0

Bit wise operation of And and XOR together
The binary operation is between two values logics or values of 0's and 1's. In your code some logics operation are done between ...

3 days ago | 0

how to graph using loop?
You must change this: clear all a = 1 vectori = []% ?? areavec = [] figure; for i = 0:20 a = a + a areavec(i+1) ...

3 days ago | 0

create a bar graph
Here there is an example: c = categorical({'Jan ','feb','March '}); y = [2000 3000 4000]; bar(c,y) More info: <https:/...

3 days ago | 0

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Comparing elements of two matrices
You should try with loops, conditionals and reshape your matrix . A = [1 2;3 4]; [r,c] = size[A]; A = reshape(A, [1 r*c]) %wi...

4 days ago | 0

Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.
you should add a parenthesis in V_Ba % Given syms theta; R = 20; L = 80; H = 38; theta_1a = 104.720; % Equation for the v...

4 days ago | 0

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Using each value in my array in an equation to see how the "y" value changes with "x"
you should change this y=(4560*2)./((pi*2)*(16-x.^2)) % / --> ./

4 days ago | 0

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How to pick out single occurring elements of an array
you can try with a conditional and counter: count = 0; l = 1; for n=1:length(A) for m = 1:length(A) if(A(n) == ...

5 days ago | 0

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How to insert the coding of t^2 power in MATLAB command window
t^2 %for scalar %Example: t = 2; t^2; ans = 4 t.^2 %for matrix %Example: t = [1:12]; t.^2; ans = 1 4 ...

5 days ago | 0

How to vectorize if statement
you can try: [aSortV,aSortI] = sort(c,'ascend'); f = 0; if(m < 7 && m < sm*0.3) f = aSortI(1); end

5 days ago | 0

Consecutive count of values based on multiple conditions
you should try with a series of if..else. For example: for i = length(output) if(pbehind(i) > 1.5 && pbehind(i-1) == 0) o...

5 days ago | 0

Cell array Numeric data splitting
I think you don't need to use "cell" for C {j}, however you can use "cell" for V {j}. something like that: clearvars; clc; N...

5 days ago | 0

Submitted

Continuous Piecewise Function (Linear) (Función por partes)
With this function you can generate a Piecewise linear graph only with the points that unit the functions.

how to read the certain row and column from the cell array?
Example: x = [2 3 3 4 45] x(1:3) ans = 2 3 3 y = [8 90 79 23 4 34] y(4:6) ans = 23 ...

5 days ago | 0

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How to insert numbers into a empty vector in a loop
You can try: function [x0ut,count] = sqra(mIn,sIn) while counter=counter+1; count(counter)=counter; x(...

6 days ago | 0

delete zero elements from vector
You can use: k(k==0) = []; k(length(k)+1:length(k)+2) = k(1,length(k));

6 days ago | 1

If Statement to identify integer
N is your number. if(mod(N,1) == 0) fprintf("i% is a integer \n", N); else N = ceil(N) end

6 days ago | 0

How to plot f: y=e^-x.sin^2x function in matlab?
You should try this x = 0:1e-3:10 y=exp(-x).*sin(x).^2; plot(x,y)

7 days ago | 0

how can i remove a part from stairs graph ?
With the xlim() and ylim() command you can see from 2.7 to 6 a=[0;1; 2; 3]; b=[0;2.7;5.2;4.5]; figure stairs(b, a, 'LineWidt...

7 days ago | 0

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why wont my code show my line in the plot?
you should change the last line r=1.1;c=1.2;po=80.;qo=700.; rqo=r*qo;rc=r*c; t1=linspace(0.,0.2,10); t2=linspace(0.2,0.8,10)...

7 days ago | 0

From which elementary functions does the waveforms consists of and compose them in the variable final
You can try use equation of a line: m = ((y2-y1)/(x2-x1)); y = m*(x-x1))+y1); %x Can be your "t" and build the signal by sect...

7 days ago | 0

Accessing entries of symfun
you can try with formula(): clear all close all clc syms psi(x_1, x_2, x_3) syms E nu u_1 = diff(psi, x_1, 1); u_2 = dif...

7 days ago | 0

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How to solve quadratic equation which includes a vector?
You can try with solve: syms V1 eq = V1^2 - V1*V2 - Q*Z; result = solve(eq,V1);

7 days ago | 1

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