Posts by Estudante • 47 points
8 posts
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viewsQ: How to insert data into a JSON object that is inserted into a . js file?
I have to insert new scenes at the end of the JSON object (which is inside a .js file), but I don’t know how to make the structure of a new scene dynamically/synchronously. What happens. Every scene…
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answer23
viewsQ: How to cancel the upload of a file in the firebase web Storage?
I created a root storage reference in firebase web through the code below: var storageRef = firebase.storage().ref(); var uploadTask = storageRef.child('img-tour/' +files[0].name).put(files[0]);…
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answer222
viewsQ: Division in the Matlab?
Good evening. Could someone help me? How to show the result of a substitution in Matlab other than in division form? Show decimal form number? 'res' is a variable that holds a polynomial expression…
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answer1018
viewsQ: trapeze rule in Matlab!
Good evening. Could someone help me? I need to create a Matlab function that solves integrals by "Composite Trapeze Rule". I know how the "Trapeze Rule" works, but how to do the implementation in…
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answer50
viewsQ: Solve code in Matlab?
Could someone help me with this problem? I need to multiply an expression by x and get the result. The expression A1 - A1*x + 2*A2*x - A2 x 2 + 3*A3*x 2 - A3*x 3 + 4*A4*x 3 - A4*x 4 + 5*A5*x 4 -…
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answer678
viewsQ: How to assign values to a vector?
I want to create an array in Matlab that takes 5 values from the 'tot' variable'. In my program I have a tot variable that gets 1/2 tot=1/2; I want the vector called 'xi' at first position to…
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answer231
viewsQ: How to return output argument in Matlab?
I created a function to calculate a linear system with 5 unknowns (A1 to A5), which has as an output argument 'Ai' and input 'A and b' which are respectively a Matrix and Vector. The values of A and…
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answers74
viewsQ: Is it possible to change a comparison of an existing variable in Matlab?
You can change/change the equality (comparison) of an existing variable in Matlab?. The variable eq of my program has as value the first highlight below. This variable is compared to 0. I want to…