# Questions tagged [math-notation]

The tag has no usage guidance.

18 questions
Filter by
Sorted by
Tagged with
464 views

### What does the double vertical bar mean here?

I'm reading on air "gap impedance" and came across this equation from these notes on the topic. http://web.mit.edu/6.685/www/chapter8.pdf (see page 7). The article defines this equation as: ...
1 vote
58 views

### Opposite of reflection coefficient

The reflection coefficient (in circuits, for example) is generally given the symbol Gamma ($\Gamma$). What is the symbol given for the pass or transmission coefficient $1-\Gamma$? I've usually ...
• 404
1 vote
153 views

• 317
1 vote
265 views

### What notation is this? (Boolean/Logic Function)

I've come across these questions. What notation is being used in the 2nd and 3rd question? Thanks
142 views

### DT Ramp Signal Summation Notation Help?

I cannot understand how the summation range has changed via substitution of m. EDIT: Full problem with solution (for context):
• 189
49k views

### What is a "100R" resistor?

Sometimes I see references to "R" resistors. For example: Obviously the 100 refers to 100 Ohms. What does 100R mean?
• 2,196
91 views

### negative powers 8051

I am attempting to create a calculator using Keil C51 compiling for a DS89c450 target device, but I have run into an obstacle with regards to negative powers. The compiler keeps returning errors when ...
10k views

### V/I uppercase/lowercase convention?

Is there any standard in industry for using uppercase or lowercase for V and I in circuit diagrams? I ask this because my book seems to switch back and forth between the two without any rhyme or ...
• 315