11 lines
2.0 KiB
JSON
11 lines
2.0 KiB
JSON
{
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"hash": "ff0bce4a35a41b49432c12bb4f867db3",
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"result": {
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"markdown": "# Usages of Unicode symbols\n\n\n\n`Julia` allows the use of *Unicode* symbols to replace variable names and for function calls. Unicode operations are entered in this pattern `\\name[tab]`. That is a slash, `\\`, the name (e.g., `alpha`), and then a press of the `tab` key.\n\n\nIn these notes, the following may appear as variable or function names\n\n\n| `\\Name` | Symbol | Usage notes |\n|:-------- |:------ |:------------------------------- |\n| `\\euler` | `ℯ` | The variable `e` |\n| `\\pi` | `π` | |\n| `\\alpha` | `α` | |\n| `\\beta` | `β` | |\n| `\\delta` | `δ` | |\n| `\\Delta` | `Δ` | Change, as in `Δx` |\n| `\\gamma` | `γ` | |\n| `\\phi` | `ϕ` | |\n| `\\Phi` | `Φ` | Used for parameterized surfaces |\n| `x\\_1` | `x₁` | Subscripts |\n| `r\\vec` | `r⃗` | Vector annotation |\n| `T\\hat` | `T̂` | Unit vector annotation |\n\n\nThe following are associated with derivatives\n\n\n| `\\Name` | Symbol | Usage notes |\n|:---------- |:------ |:--------------------------- |\n| `\\partial` | `∂` | |\n| `\\nabla` | `∇` | del operator in CwJ package |\n\n\nThe following are *infix* operators\n\n\n| `\\Name` | Symbol | Usage notes |\n|:-------- |:------ |:------------- |\n| `\\circ` | `∘` | composition |\n| `\\cdot` | `⋅` | dot product |\n| `\\times` | `×` | cross product |\n\n\nInfix operators may need parentheses due to precedence rules. For example, to call a composition, one needs `(f ∘ g)(x)` so that composition happens before function evaluation (`g(x)`).\n\n",
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