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Lemuel Carlos Ramos Arzola


PhD student at INRS, Canada

Last seen: 11 months ago |  Active since 2019

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

4 years ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

4 years ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

4 years ago

Answered
Help Using Newton Rhapson Method for Colebrook equation
Hello Mary, The problem is with the function: diff(h(x)) This function operates with vectors and it only computes the differe...

4 years ago | 0

| accepted

Answered
How can overlay two contour plot in a subplot?
I found this solution Z1 = peaks; Z2 = peaks.^2; ax = subplot(2,1,1); hold on contourf(Z1,'--') colorLim = ax.CLim; con...

4 years ago | 1

| accepted

Question


How to set a legend with a label for two or more lines?
Hello, In the graphic legend I want to share the same label for two or more lines. For example, I have two (or more) pair of d...

4 years ago | 1 answer | 0

1

answer

Question


How can overlay two contour plot in a subplot?
Hello, I am trying to plot and overlay two contour plots in the same figure but with some specifications. Both plots share the ...

4 years ago | 1 answer | 0

1

answer

Question


Low quality when exporting graph in emf
Hello, The problem that happens to me is divided into two parts. 1. It happens that when I export a graphic in emf vector form...

5 years ago | 1 answer | 0

1

answer

Answered
How can numerically compute eigenvalues of an ordinary differential equation in MATLAB?
Hello, Thanks for the answers. I found the same problem here: https://www.mathworks.com/matlabcentral/answers/405977-singula...

5 years ago | 0

| accepted

Question


How can numerically compute eigenvalues of an ordinary differential equation in MATLAB?
Hello, I need to compute (numerically) the eigenvalues (L) of this singular ODE, , subject to Is it possible to use t...

5 years ago | 3 answers | 0

3

answers