# Jens Petit-jean

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**Content Feed**

Question

How do I make this graph

Hey, I need to make a graph that show the differnce between 2 values for 1000 times, so 1000 times this: X1-X2=differnce. thes...

2 years ago | 1 answer | 0

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answerQuestion

how to make a function call with 2 variables of second degree

Hi, how can I make a call function from thes equations. I know how to do it when there is only one variable with second degree b...

2 years ago | 1 answer | 0

### 1

answerQuestion

how to make a function of this system

how do I make a function of this ?

2 years ago | 1 answer | 0

### 1

answerQuestion

How to find equal quantity

Hello, I have a budget from 100000euro and 5 options wit prices 89.2592 35.1637 108.6419 83.2887 112.1572 in eur...

2 years ago | 0 answers | 0

### 0

answersQuestion

error with bndprice command

Hello, I always got the error 'CouponRate is required for all Bond instruments.' when using the bndprice command and I don't kn...

2 years ago | 1 answer | 0

### 1

answerQuestion

find a point on a graph

Hello, How can I find a point on this curve with y=1000, so what is the x-value when y=1000? Thanks in advance

2 years ago | 2 answers | 0

### 2

answersQuestion

fminsearch with 3 variables

Hello, How do I use fminsearch for a equation with 3 variables? f(x,y,z)=1-(x-1)^(2) * (y-1.7)^(2) - (y-1.5)^(2) * (z-2.1)^2 ...

2 years ago | 1 answer | 0

### 1

answerQuestion

Functions with 2 variables

How do you make a function (NOT an anonymous function) from this? "Als" means "if" Thanks in advance

2 years ago | 2 answers | 0

### 2

answersQuestion

How to program a function with 2 variables

Hello, I need to program this as a function (not as an anonymous, but as a function that you can use multiple times in other p...

2 years ago | 1 answer | 0

### 1

answerQuestion

3 equations 4 unknowns

hello, How do you make a matrix M 3x3 so the system is =k.MX (with X a 3x1 matrix [x,y,z] I think.) x=k.(1.y+6.z) y=k.(4.x...

2 years ago | 2 answers | 0

### 2

answersQuestion

making a histogram goes wrong

hello, I have made a histogram with certain data. The histogram matches what I need to find, except for those little bars, wi...

2 years ago | 0 answers | 0

### 0

answersQuestion

how do I check if my graph cross verticle lines

hello, How can I check if my graph cross one of the verticle graphs x=1, x=2, x=3, X=4,X=5? thanks in advance

2 years ago | 1 answer | 0

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answerQuestion

how to plot verticle lines?

Hello, How do I plot vercicle lines that go up to y-value 10? thanks in advance

2 years ago | 1 answer | 0

### 1

answerQuestion

how to solve a system of equations in matlab

hello, How do I solve this system of equations in matlab for F(-2:2) ? f(x)= x+2 if x<=0 -x+2 if x>0 Appa...

2 years ago | 2 answers | 0

### 2

answersQuestion

checking input an integer greater than 0?

how can I check if my input is a integer greater than 0?

2 years ago | 3 answers | 0

### 3

answersQuestion

making different numbers with same digits

hello, how do I make sure to find the next number greater and less than the number requested from the user, but it must conta...

2 years ago | 2 answers | 0

### 2

answersQuestion

making matrices with 1 and 0

Hello, Is there a way to make this matrice or can you only type every number by yourself -1 0 -1 0 -1...

2 years ago | 1 answer | 0

### 1

answerQuestion

making a matrice with conditions

Hello, I have a column variable with 20 random numbers between 0 and 19. How do I add +2 to all numbers but the numbers can b...

2 years ago | 1 answer | 0

### 1

answerQuestion

making matrices with conditions

hello, 1) How do I make a 6x5 matrice with even whole numbers between 20 and 100 (with 20 and 100 included) 2)How do I make a ...

2 years ago | 1 answer | 0

### 1

answerQuestion

square root on an interval

how to make a figure of the square root on the interval [0,2]. The figure should be smooth, not angular?

2 years ago | 1 answer | 0

### 1

answerQuestion

intrestberekening met bepaalde voorwaarde

Hallo, ik zit vast bij een oefening uit mijn boek. Ik moet uitzoeken hoe een lening kan verlopen bij een veranderlijke intrest. ...

2 years ago | 0 answers | 0

### 0

answersQuestion

make different numbers with the same digits

I have to ask the user for a positive integer ( input=('give a positive integer') and then ask him through a menu if he wants to...

2 years ago | 2 answers | 0