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Lucas Carvalho


Last seen: 3 months ago |  Active since 2015

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Question


Finding matrix column index based on certain conditions
Hello guys, I want to extract the column indexes of a matrix which contains necessarily one element equals to 1 and all the...

6 years ago | 2 answers | 0

2

answers

Question


How to evaluate inline functions each variable at once?
Hello guys! Let's say I have two symbolic functions: f1 = x1^2+x2; f2 = x3^2; When I transform both to inline func...

7 years ago | 2 answers | 0

2

answers

Answered
a problem about symbolic function diff
In your case, the independent variable is only t, while x and y are dependent of t. To derive the f function partially in terms ...

7 years ago | 0

Question


Assigning a symbolic expression with sprintf command
Hello guys, I'm trying to implement a code where I define a symbolic function and I want to find out its partial derivatives (fi...

7 years ago | 0 answers | 0

0

answers

Question


Creating a row of points
Hi guys, I am trying to make an animated plot, where I want to plot a trail/row of points as it follows: xe1 = (-lm/2)+Vest*...

8 years ago | 1 answer | 0

1

answer

Question


How to plot a 2d matrix on a 3d graph?
Hi guys, I want to plot in 3d a matrix whose columns represent points in the space: A = [x0 x1 x2 .... xn; y0 y1 y2 ......

9 years ago | 1 answer | 0

1

answer

Question


How to evaluate different expressions of a matrix for multiple variable values?
Hi guys, I have a little problem using the eval/feval function... I have a vector/matrix whose rows contain symbolic functions, ...

9 years ago | 1 answer | 0

1

answer

Question


How can I retrieve variables from a nested function and use them on the parent function?
Hey guys, I have a little problem here with variables on nested functions. Here is the code: function Parent %code goes he...

9 years ago | 1 answer | 0

1

answer