In PTC Mathcad Prime 10.0.0.0 I am using an if else statement where I am comparing two variables, qu and qt with the same units, psf. However, I am getting the error that the value must be scalar. I am trying to get a return of qu or qt depending on what their values are. I would appreciate help in a solution for this.
When you defined "qu" you had type square brackets. In Prime doing so creates a matrix and so "qu" ended up being a 1x1 matrix and Prime refuses to compare a matrix (even if its just 1x1) with a scalar.
Solution is to replace the square brackets by normal parentheses.
BTW, the "min" function could be used here to achieve the very same result
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