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Lucas Carvalho


Last seen: 10 months 前 |  自 2015 起处于活动状态

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统计学

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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...

7 years 前 | 2 个回答 | 0

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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 前 | 2 个回答 | 0

2

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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 前 | 0

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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 前 | 0 个回答 | 0

0

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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*...

9 years 前 | 1 个回答 | 0

1

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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 前 | 1 个回答 | 0

1

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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 前 | 1 个回答 | 0

1

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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...

10 years 前 | 1 个回答 | 0

1

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